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Lumbantoruan, Jitu Halomoan and Ditasona, Candra (2024) Development of a mathematics module on circle material based on the small group discussion model. Journal of Education and Learning (EduLearn), 18 (1). pp. 18-25. ISSN 2089-9823
Lumbantoruan, Jitu Halomoan and Manalu, Risma Uly (2024) Effectiveness of learning mathematics derivative materials using modules equipped with cooperative models in high schools. International Journal of Evaluation and Research in Education (IJERE), 13 (1). pp. 523-533. ISSN 2252-8822
Ditasona, Candra and Kartika, Ruth Yuni and Lumbantoruan, Jitu Halomoan (2023) Analisis Kesulitan Belajar Matematika Siswa pada Materi Perbandingan di SMPN 58 Jakarta Kelas VII.2. Edumatsains : Jurnal Pendidikan, Matematika dan Sains, 8 (1). pp. 1-10. ISSN 2527-7235
Limbong, Mesta and Limbong, Asnah MN and Lumbantoruan, Jitu Halomoan (2023) Benefits of School Cultural Leadership in Dormitory Life in Student Character Development. Journal of Higher Education Theory and Practice (JHETP), 23 (13). pp. 34-44.
Lumbantoruan, Jitu Halomoan (2023) Buku Materi Pembelajaran Geometri II. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2023) Buku Materi Pembelajaran Pemograman Linear 2023. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2023) The Effect of Learning Opportunity Factors and Efficacy Belief on Mathematical Knowledge in the Teaching Process. ASIAN JOURNAL OF EDUCATIONAL TECHNOLOGY, 2 (1). pp. 166-179. ISSN 2829-9337
Siahaan, Chontina and Simatupang, Sunengsih and Simanjuntak, Familia Novita and Iswari, Laras Nadiananda and Waruwu, Sifra Rebeka and Lumbantoruan, Jitu Halomoan (2023) The Impact and Benefits of the Independent Curriculum Learning Independent Campus during Online Learning in the COVID-19 Period. TADBIR : Jurnal Studi Manajemen Pendidikan, 7 (1). pp. 47-64. ISSN 2580-5037
Lumbantoruan, Jitu Halomoan and Deliviana, Evi and Sihotang, Hotmaulina and Nadeak, Bernadetha (2023) Pengembangan Modul Matematika Materi Logaritma Dibantu Model Kooperatif Tipe Jigsaw. AKSIOMA: Jurnal Program Studi Pendidikan Matematika, 12 (3). pp. 2959-2976. ISSN 2442-5419
Simorangkir, Melda Rumia Rosmery and Male, Hendrikus and Puri, Adisti Ratna and Lumbantoruan, Jitu Halomoan and Siregar, Edison (2023) Upaya Penurunan Stres Guru dengan Meningkatkan Kompetensi Digital dan Modul Ajar Disekolah Penggerak. Jurnal Kreativitas Pengabdian kepada Masyarakat (PKM), 6 (2). pp. 757-768. ISSN 2622 6030
Lumbantoruan, Jitu Halomoan and Male, Hendrikus (2022) An Analysis of Mathematics Teachers’ Difficulties iin Implementing 2013 Curriculum. International Journal of Business, Law, and Education, 3 (1). pp. 1-15. ISSN 2747-139X
Limbong, Mesta and Lumbantoruan, Jitu Halomoan (2022) The Blended Learning Model With Online Skills On The Learning Independence of High School Students. Jurnal Penelitian Pendidikan Indonesia, 8 (4). 1203 -1212. ISSN 2477 8524
Lumbantoruan, Jitu Halomoan (2022) Buku Materi Pembelajaran Kapita Selekta II. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2022) Buku Materi Pembelajaran Matakuliah Kapita Selekta II. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2022) Buku Materi Pembelajaran Matakuliah Matematika Dasar. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2022) Buku Materi Pembelajaran Matematika Dasar. [Teaching Resource]
Lumbantoruan, Jitu Halomoan and Dane, Gerneke and Mahyar, Bradley (2022) Comparison of Mathematics Learning Outcomes with Student Team Achievement Divisions and Team Assisted Individualization Model. Al-Hijr: Journal of Adulearn World, 1 (3). pp. 132-140. ISSN 2829-4351
Lumbantoruan, Jitu Halomoan (2022) Description of Difficulty of Semester VII Students of Mathematics Education Study Program in Complex Analysis Course. Journal of Education and Learning Mathematics Research (JELMaR), 3 (1). pp. 1-13. ISSN 2715-9787
Limbong, Mesta and Faradiba, Faradiba and Harefa, Nelius and Lumbantoruan, Jitu Halomoan (2022) Description of Increasing the Number of Research and Publication of Lecturers at the Indonesian Christian University, East Jakarta. Tadbir : Jurnal Studi Manajemen Pendidikan, 6 (2). pp. 333-352. ISSN 2580 5037
Lumbantoruan, Jitu Halomoan and Manalu, Risma Uly (2022) Description of the Difficulties of Mathematics Education Students in Complex Analysis Course. Journal of Applied Sciences, Mathematics, and Its Education, 11 (1). pp. 1-13. ISSN 2776 3641
Lumbantoruan, Jitu Halomoan (2022) Difficulty of Mathematics Teacher Competence in Applying Curriculum Online. ASIAN JOURNAL OF EDUCATIONAL TECHNOLOGY, 1 (1). pp. 44-54. ISSN 2829-9337
Limbong, Mesta and Lumbantoruan, Jitu Halomoan (2022) The Effect of Government Teacher Certification on Teaching Performance Certified vs uncertified. Journal of Ultimate Research and Trends in Education, 4 (3). 186 -191. ISSN 2685 4252
Lumbantoruan, Jitu Halomoan (2022) Further insight into Student Learning Outcomes of Derivative Materials: Numbered Head Together and Expository Learning Model. UTAMAX : Journal of Ultimate Research and Trends in Education, 4 (2). pp. 135-145. ISSN 2685-4252
Lumbantoruan, Jitu Halomoan (2022) Identifikasi Kesiapan dan Kesulitan Guru Matematika Dalam Pelaksanaan Kurikulum 2013 Di Masa Pandemi Covid 19. EduMatSains Jurnal Pendidikan, Matematika dan Sains, 6 (2). pp. 231-244. ISSN 2527 7235
Lumbantoruan, Jitu Halomoan and Male, Hendrikus (2022) Impact of Unprepared Competence and Difficulty in Competence of Mathematics Teachers During Online Learning. JTAM (Jurnal Teori dan Aplikasi Matematika), 6 (4). pp. 876-892. ISSN 2614-1175
Silaban, Ayu Marida and Simbolon, Kerdid and Lumbantoruan, Jitu Halomoan (2022) Kesulitan Siswa dalam Memecahkan Masalah Barisan dan Deret Aritmatika. Brillo Journal, 1 (2). pp. 95-101. ISSN 2809-8528
Lumbantoruan, Jitu Halomoan (2022) Konsep Dasar Statistik. Perkumpulan Rumah Cemerlang Indonesia (PRCI). ISBN 978 623 448 017 7
Lumbantoruan, Jitu Halomoan (2022) Konsep Dasar Teori Peluang. Perkumpulan Rumah Cemerlang Indonesia (PRCI). ISBN 978 623 448 032 0
Lumbantoruan, Jitu Halomoan (2022) Mata Kuliah : Matematika Dasar Kelas A. UKI, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan and Nadeak, Bernadetha (2022) Mathematics Teacher Competency Analysis During Online Learning. International Journal of Trends in Mathematics Education Research, 5 (2). pp. 214-221. ISSN 2621-8488
Lumbantoruan, Jitu Halomoan and Simbolon, Kerdid and Manalu, Risma Uly and Natalia, Stevi (2022) Model Pembelajaran Materi Matematika secara daring di SMA. I-Com : Indonesian Community Journal, 2 (1). pp. 46-58. ISSN 2809-2031
Lumbantoruan, Jitu Halomoan (2022) Pengantar Ilmu Matematika. EUREKA MEDIA AKSARA. ISBN 978 623 5251 40 0
Lumbantoruan, Jitu Halomoan (2022) Pengembangan Modul Matematika Materi Turunan Berbantuan Model Cooperative Learning. Jurnal Program Studi Pendidikan Matematika, 11 (4). pp. 2593-2609. ISSN 2442-5419
Simorangkir, Melda Rumia Rosmery and Lumbantoruan, Jitu Halomoan (2021) Aksesibilitas Anak Berkebutuhan Khusus di Era Pendidikan 4.0. JURNAL DINAMIKA PENDIDIKAN, 14 (1). pp. 204-213. ISSN 2620 3952
Silaban, Ayu Marida and Lumbantoruan, Jitu Halomoan (2021) Analisis Kesulitan Dalam Pemecahan Masalah Pada Materi Barisan dan Deret Aritmatika Siswa Kelas XI IPA di SMA HKBP Lintongnihuta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Bangun Datar dan Bangun Ruang. EUREKA MEDIA AKSARA. ISBN 978 623 5382 28 9
Lumbantoruan, Jitu Halomoan (2021) Buku Materi Pembelajaran Matakuliah Variabel Kompleks. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2021) Buku Materi Pembelajaran Matematika Kimia. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2021) Buku Materi Pembelajaran Statistik. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2021) Buku Materi Pembelajaran Variabel Kompleks. [Teaching Resource]
Simanjuntak, Familia Novita and Gunawan, Ronny and Lumbantoruan, Jitu Halomoan and Masta, Ngia and Adistipuri, Ratna and Sairwona, Wellem (2021) Buku Pedoman Praktik Pengalaman Lapangan (PPL). [Teaching Resource]
Lumbantoruan, Jitu Halomoan and Natalia, Stevi (2021) DEVELOPMENT OF A CONSTRUCTIVISM-BASED STATISTICS MODULE FOR CLASS VIII JUNIOR HIGH SCHOOL STUDENTS. Solid State Technology, 64 (2). pp. 4427-4444.
Lumbantoruan, Jitu Halomoan (2021) Geometri Analitik. EUREKA MEDIA AKSARA. ISBN 978 623 5251 82 0
Boiliu, Noh Ibrahim and Stepanus, Stepanus and Intarti, Esther Rela and Lumbantoruan, Jitu Halomoan (2021) Influence of the Personal Competence of Teachers of Christian Religious Education on Learning Motivation in High School Students in South Tangerang City. Proceedings of the 2nd Annual Conference on Blended Learning, Educational Technology and Innovation (ACBLETI 2020), 560. pp. 298-302. ISSN 2352-5398
Lumbantoruan, Jitu Halomoan (2021) Mata Kualiah: Geometri II. Fakultas Keguruan Dan Ilmu Pendidikan Universitas Kristen Indonesia, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah : Geometri 1. UKI. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah : Matematika Dasar II. UKI, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah : Persamaan Differensial. UKI, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah : Persamaan Differensial Kelas A. UKI, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah : Statistika Kelas C. UKI, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah : Teori Peluang dan Kombinatorik. UKI, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah : Teori Peluang dan Kombinatorik Kelas A. UKI, Jakarta.
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah : Variabel Kompleks Kelas A. UKI, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah: Matematika Kimia. Fakultas Keguruan Dan Ilmu Pendidikan Universitas Kristen Indonesia, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2021) Mata Kuliah: Program Linear. Fakultas Keguruan Dan Ilmu Pendidikan Universitas Kristen Indonesia, Jakarta. (Unpublished)
Male, Hendrikus and Lumbantoruan, Jitu Halomoan (2021) Students’ Perceptions and Attitudes Towards Statistics. In: Proceedings of the 2nd Annual Conference on Blended Learning, Educational Technology and Innovation (ACBLETI 2020). Atlantis Press, pp. 507-513. ISBN 978-94-6239-394-3
Lumbantoruan, Jitu Halomoan and Male, Hendrikus (2020) Analisis Miskonsepsi Pada Soal Cerita Teori Peluang Di Program Studi Pendidikan Matematika. Jurnal EduMatSains, 4 (2). pp. 156-173. ISSN 2527 7235
Lumbantoruan, Jitu Halomoan (2020) BUKU MATERI PEMBELAJARAN PEMOGRAMAN LINEAR. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2020) Buku Panduan Program Pengalaman Lapangan (PPL) Pendidikan Matematika. Program Studi Pendidikan Matematika Fakultas Keguruan dan Ilmu Pendidikan Universitas Kristen Indonesia, Jakarta.
Lumbantoruan, Jitu Halomoan (2020) Modul Garis Lurus. [Teaching Resource] (Unpublished)
Desi, D and Lumbantoruan, Jitu Halomoan (2020) Pengembangan Buku Cerita Matematika Pada Kelas VII SMP Dalam Materi Perbandingan. EduMatSains : Jurnal Pendidikan, Matematika dan Sains, 1 (1). pp. 23-34. ISSN 2527 7235
Saputro, P. A. and Lumbantoruan, Jitu Halomoan (2020) Pengembangan Media Pembelajaran Matematika Berbasis Articulate Storyline Pada Materi Bangun Ruang Sisi Datar Kelas VIII. EduMatSains : Jurnal Pendidikan, Matematika dan Sains, 1 (1). pp. 35-49. ISSN 2527 7235
Lumbantoruan, Jitu Halomoan (2020) RENCANA PEMBELAJARAN SEMESTER (RPS)MATA KULIAH : Pemograman Linear. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) Integral Tak-Tentu Jilid I. Fakultas Keguruan dan Ilmu Pendidikan Universitas Kristen Indonesia, Universitas Kristen Indonesia.
Lumbantoruan, Jitu Halomoan (2019) Integral Tentu Jilid II. Fakultas Keguruan dan Ilmu Pendidikan Universitas Kristen Indonesia, Universitas Kristen Indonesia.
Lumbantoruan, Jitu Halomoan (2019) Pengembangan Bahan Ajar Persamaan Diferensial Berbasis Model Brown Di Program Studi Pendidikan Matematika Fakultas Keguruan Dan Ilmu Pendidikan Universitas Kristen Indonesia Tahun 2017/2018. Jurnal EduMatSains, 3 (2). pp. 147-168. ISSN 2527 7235
Lumbantoruan, Jitu Halomoan (2019) BUKU MATERI PEMBELAJARAN GEOMETRI 1. Prodi Pendidikan Matematika Universitas Kristen Indonesia, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) BUKU MATERI PEMBELAJARAN PERSAMAAN DIFERENSIAL. Prodi Pendidikan Matematika Universitas Kristen Indonesia, Jakarta. (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) BUKU MATERI PEMBELAJARAN TEORI PELUANG DAN KOMBINATORIKA. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) Buku Materi Pembelajaran Matematika Dasar. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2019) MODUL TRANSFORMASI SUSUNAN SUMBU. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) Modul Geometri I (Geometri Datar dan Ruang). [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) Modul Lingkaran. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) RENCANA PEMBELAJARAN SEMESTER (RPS) MATA KULIAH : Teori Peluang dan Kombinatorial. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) RENCANA PEMBELAJARAN SEMESTER (RPS) Mata Kuliah: Matematika Dasar. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) RENCANA PEMBELAJARAN SEMESTER (RPS) Matakuliah: Geometri Datar dan Ruang/Geometri 1. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2019) RENCANA PEMBELAJARAN SEMESTER (RPS)Mata Kuliah: Persamaan Diferensial. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2018) Modul Geometri II(Geometri Analitik dan Transformasi). [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2018) Modul Parabola. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2017) PENGEMBANGAN BAHAN AJAR INTEGRAL TAK TENTU BERBASIS MODEL SMALL GROUP DISCUSSION DI PROGRAM STUDI PENDIDIKAN MATEMATIKA FKIP UKITAHUN 2016/2017. Jurnal Dinamika Pendidikan, 10 (2). pp. 99-116. ISSN 1410 4695
Lumbantoruan, Jitu Halomoan (2017) Modul Kalkulus Lanjut 2017. [Teaching Resource]
Lumbantoruan, Jitu Halomoan (2016) Modul Kalkukus Lanjut 2016. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2016) Modul Kalkulus Dasar. [Teaching Resource] (Unpublished)
Lumbantoruan, Jitu Halomoan (2015) Modul Kalkulus Lanjut 2015. [Teaching Resource] (Unpublished)
