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Simanjuntak, Familia Novita and Simatupang, Nova Irawati and Azzahra, St Fatimah and Sumiyati, Sumiyati and Harefa, Nelius and Sormin, Elferida and Purba, Leony Sanga Lamsari (2024) Chemistry Learning Innovation in Household Level Entrepreneurship Product Training for the Community of Tidung Island. Jurnal Inovasi Pembelajaran Kimia (Journal of Innovation in Chemistry Education), 6 (1). pp. 139-145. ISSN 2685-0850
Simanjuntak, Familia Novita and Harefa, Nelius and Azahra, St. Fatimah and Sumiyati, Sumiyati and Simatupang, Nova Irawati and Sormin, Elferida and Purba, Leony Sanga Lamsari (2024) Student Perceptions Regarding The Utilization of Virtual Laboratory to Increase Interest in Learning Chemistry at SMAN 3 Mataram. Journal of Chemistry Education Research, 8 (1). pp. 54-58. ISSN 2549 - 1644
Harefa, Nelius and Purba, Leony Sanga Lamsari and Simatupang, Nova Irawati and Nugroho, Adi (2024) Students’ perceptions of the ethnoscience “Dekke Naniura” virtual laboratory. AIP Conference Proceedings, 3116. 070003-1-070003-5. ISSN 1551-7616
Sormin, Elferida and Simatupang, Nova Irawati and Purba, Leony Sanga Lamsari and Harefa, Nelius (2023) Analysis of Students' Perceptions of Differences Based on Gender in the Use of Virtual Reality Laboratories. OSR Journal of Research & Method in Education (IOSR-JRME), 13 (3). pp. 34-44. ISSN 2320–7388
Purba, Leony Sanga Lamsari and Sormin, Elferida and Harefa, Nelius and Simatupang, Nova Irawati and Zai, Berkat Hendri Putra (2023) Comparison of Perceptions of High School Students Based on Class Levels on Utilization of Virtual Reality Laboratories. International Journal of Science, Engineering and Management (IJSEM), 10 (1). pp. 31-34. ISSN 2456 -1304
Simatupang, Nova Irawati and Harefa, Nelius and Purba, Leony Sanga Lamsari and Sormin, Elferida (2023) Comparison of Perceptions of National SHS Students in the East Jakarta to Virtual Reality Laboratory. European Chemical Buletin, 12 (7). pp. 4990-4997. ISSN 2063-5346
Purba, Leony Sanga Lamsari (2023) Instrumen Penilaian Dimensi Kreatifitas: Produk, Proses, Pribadi, Pendorong. Universitas Kristen Indonesia, Jakarta, Indonesia.
EC00202352783 (2023) Laboratorium Berbasis Virtual Reality untuk Pembuatan Garam Rangkap dan Kompleks. 000485718.
Sihotang, Hotmaulina and Purba, Leony Sanga Lamsari and Ernawati, Renatha (2023) School Commitment with Collaboration from a Cultural and Personality Perspective. Tadbir : Jurnal Studi Manajemen Pendidikan, 7 (1). pp. 123-138. ISSN 2580 5037
EC002022109438 (2022) Laboratorium Kimia Analitik Berbasis Virtual Reality Terintegrasi AI. 000425182.
Sihotang, Hotmaulina and Harefa, Nelius and Purba, Leony Sanga Lamsari and Murniarti, Erni (2021) Concentration Of Student’s Learning Through Utilization Of Quizlet Application On Learning Evaluation. Advances in Social Sciences Research Journal, 8 (1). pp. 589-598. ISSN 2055 0286
Putri, Wiwik Kastria and Sormin, Elferida and Purba, Leony Sanga Lamsari (2021) Improvement of Chemistry Learning Outcomes of Class XI Students High School Through Peer Tutors on Colloid Material. In: Proceeding Atlantis Press Science Web of Science. Atlantis Press. (In Press)
Purba, Leony Sanga Lamsari (2021) Mata Kuliah : Kimia Fisika I. UKI, Jakarta. (Unpublished)
Purba, Leony Sanga Lamsari (2021) Mata Kuliah : Olimpysme Kimia. UKI. (Unpublished)
Purba, Leony Sanga Lamsari (2021) Mata Kuliah : Praktikum Kimia Fisika 1. UKI, Jakarta. (Unpublished)
Purba, Leony Sanga Lamsari (2021) Mata Kuliah : Strategi Pembelajaran Kimia. UKI. (Unpublished)
Purba, Leony Sanga Lamsari (2021) Mata Kuliah: Kewirausahaan. Prodi Pendidikan Kimia Universitas Kristen Indonesia, Jakarta. (Unpublished)
Purba, Leony Sanga Lamsari (2021) Mata Kuliah: Kimia Fisika 1. Prodi Pendidikan Kimia Universitas Kristen Indonesia, Jakarta. (Unpublished)
Purba, Leony Sanga Lamsari (2021) Mata Kuliah: Olimpisme Kimia. Prodi Pendidikan Kimia Universitas Kristen Indonesia, Jakarta. (Unpublished)
Kurniawan, Andrea Felicia and Purba, Leony Sanga Lamsari and Simanjuntak, Familia Novita (2021) Utilization Of Moodle In Increasing Motivation Of Learning Chemistry Students Of Grade XI BPK PENABUR Pharmacy Vocational School Jakarta. In: Proceeding Atlantis Press Science Web of Science. Atlantis Press. (In Press)
Purba, Leony Sanga Lamsari and Harefa, Nelius and Afridika, Sali and Savera, Dera (2021) The differences of achievement of the national olympiad in chemistry at the public and private senior high school by utilizing quizizz media. Jurnal Pendidikan Kimia, 13 (1). pp. 69-77. ISSN 2549 3116
Sormin, Elferida and Harefa, Nelius and Sitompul, Fransiska and Arodes, Evy S and Cing, Jap Mai and Tehupeiory, Aartje and Naibaho, Lamhot and Simatupang, Nova Irawati and Simanjuntak, Familia Novita and Purba, Leony Sanga Lamsari and Sumiyati, Sumiyati and Azzahra, St Fatimah (2020) AKSI UKI PERDULI DALAM RANGKA PENCEGAHAN PENYEBARAN VIRUS COVID-19. Jurnal Comunità Servizio, 2 (2). pp. 471-478. ISSN 2656 67710
Purba, Leony Sanga Lamsari (2020) Buku Materi Pembelajaran Kimia Fisika I. UKI Press, Jakarta. ISBN 978 623 7256 72 4 (Unpublished)
Purba, Leony Sanga Lamsari (2020) THE EFFECTIVENESS OF THE QUIZIZZ INTERACTIVE QUIZ MEDIA AS AN ONLINE LEARNING EVALUATION OF PHYSICS CHEMISTRY 1 TO IMPROVE STUDENT LEARNING OUTCOMES. Journal of Physics: Conference Series.
Harefa, Nelius and Simanjuntak, Familia Novita and Simatupang, Nova Irawati and Sumiyati, Sumiyati and Sormin, Elferida and Purba, Leony Sanga Lamsari and Azzahra, St Fatimah (2020) IDENTIFIKASI RENCANA PELAKSANAAN PEMBELAJARAN GURU KIMIA PADA KEGIATAN SOSIALISASI PENGEMBANGAN KOMPETENSI TERINTEGRASI PENGEMBANGAN RANAH AFEKTIF. Jurnal Comunita Servizio, 2 (1). 235 -253. ISSN 265667710
Purba, Leony Sanga Lamsari (2020) Mata Kuliah : Kimia Fisika II. UKI. (Unpublished)
Purba, Leony Sanga Lamsari (2020) Mata Kuliah : Teori Dasar, Proses, Model Kurikulum Dan Pembelajaran Kimia. UKI. (Unpublished)
Purba, Leony Sanga Lamsari (2020) Modul Praktikum Kimia Fisika 1. PENDIDIKAN KIMIA FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN UNIVERSITAS KRISTEN INDONESIA, Jakarta.
Purba, Leony Sanga Lamsari and Harefa, Nelius (2020) Pengaruh Kandungan Oksigen Udara Sekolah Terhadap Konsentrasi Belajar Siswa. Jurnal EduMatSains, 4 (2). pp. 169-182. ISSN 2527 7235
Harefa, Nelius and Purba, Leony Sanga Lamsari (2020) Problem solving skills improvement and the impact on students learning outcomes. Journal of Physics: Conference Series.
Purba, Leony Sanga Lamsari (2020) Surat Tugas Melakukan Kegiatan Pendidikan dan Pengajaran. UKI. (Unpublished)
Purba, Leony Sanga Lamsari (2020) The effect of guided inquiri based chemistry teaching module on students independent learning attitude: An experimental study on the characteristics of colligative solution teaching material. Jurnal Pendidikan Kimia, 12 (1). pp. 34-43. ISSN 2549 3116
Purba, Leony Sanga Lamsari and Sormin, Elferida and Harefa, Nelius and Sumiyati, Sumiyati (2019) Effectiveness of use of online games kahoot! chemical to improve student learning motivation. Jurnal Pendidikan Kimia, 11 (2). pp. 57-66. ISSN 2549 3116
Harefa, Nelius and Sumiyati, Sumiyati and Purba, Leony Sanga Lamsari (2019) Implementasi Webinar Terhadap Sikap Sadar Keamanan Kimia Mahasiswa. Jurnal Dinamika Pendidikan, 12 (1). pp. 17-28. ISSN 2620 3952
Junita, Yohana and Purba, Leony Sanga Lamsari (2019) PENINGKATAN HASIL BELAJAR KIMIA SISWA MELALUI MODEL PEMBELAJARAN KOOPERATIF TIPE THINK PAIR SHARE (TPS) DI SMAN 92 JAKARTA. Jurnal Dinamika Pendidikan, 12 (1). pp. 41-54. ISSN 2620 3952
Purba, Leony Sanga Lamsari (2019) PENINGKATAN KONSENTRASI BELAJAR MAHASISWA MELALUI PEMANFAATAN EVALUASI PEMBELAJARAN QUIZIZZ PADA MATA KULIAH KIMIA FISIKA I. Jurnal Dinamika Pendidikan, 12 (1). pp. 29-39. ISSN 2620 3952
Simanjuntak, Familia Novita and Sumiyati, Sumiyati and Purba, Leony Sanga Lamsari and Simatupang, Nova Irawati and Azzahra, St Fatimah (2019) Peningkatan Pengetahuan Kimia dalam Kehidupan Sehari-hari pada Ibu Rumah Tangga Perkotaan Kelas Ekonomi Menengah. Jurnal Comunita Servizio, 1 (2). pp. 98-108. ISSN 2656 67710
Harefa, Nelius and Purba, Leony Sanga Lamsari (2019) The development of chemistry practicum e-module based on simple-practice. Jurnal Pendidikan Kimia, 11 (3). 107 -115. ISSN 2549 3116
Harefa, Nelius and Silalahi, Novia Fransisca Dewi and Sormin, Elferida and Purba, Leony Sanga Lamsari and Sumiyati, Sumiyati (2019) The difference of students’ learning outcomes with project based learning using handout and sway Microsoft 365. Jurnal Pendidikan Kimia, 11 (2). pp. 24-30. ISSN 2085 3653
Purba, Leony Sanga Lamsari and Sibarani, Elisa Natalia (2017) The Role of Organization Collage Student a Study Program to Build Leadership Character Candidate Chemistry Teacher. Jurnal Pendidikan Kimia, 9 (1). pp. 259-264. ISSN 2085 3653
