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Simorangkir, Melda Rumia Rosmery and Siregar, Edison and Manalu, Risma Uly and Sinaga, Dameria and Sebayang, Melya Dyanasari (2025) UKI Gelar Pelatihan Keamanan Akun Digital di SMK Yadika 13 Tambun: Upaya Cegah Bullying dan Gangguan Mental di Kalangan Siswa. JAYA POS.
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
Manalu, Risma Uly (2023) Analysis of the School Literacy Movement in Growing Interest in Reading for High School Students. Global Journal of Arts Humanity and Social Sciences, 3 (4). pp. 512-515. ISSN 2583-2034
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
Aneliana, Aneliana and Ditasona, Candra and Manalu, Risma Uly (2022) The Development of Student Worksheet Based on Problem Based Learning Approach on Matrices Topics. Brillo Journal, 2 (1). pp. 54-62. ISSN 2809-8528
Manalu, Risma Uly and Simorangkir, Melda Rumia Rosmery (2022) Efforts of Laid-off Women In Optimizing Online Learning During Quarantine. International Journal of Arts and Social Science, 5 (12). pp. 90-97. ISSN 2581 7922
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
Manalu, Risma Uly and Simorangkir, Melda Rumia Rosmery (2021) Effectiveness of Self-Efficiency on Mathematic Learning Annivers. International Journal of Arts and Social, 4 (2). pp. 58-65. ISSN 2581 7922
Simorangkir, Melda Rumia Rosmery and Manalu, Risma Uly and Male, Hendrikus (2021) Management of Student Learning Anxiety through Self-Efficacy during the Pandemic Period. International Journal of Arts and Social Science, 4 (1). pp. 329-335. ISSN 2581 7922
Simorangkir, Melda Rumia Rosmery and Manalu, Risma Uly and Masta, Ngia (2021) Prediction and Analysis of Mathematics Anxiety Disorders in Adolescents During the Pandemic. Solid State Technology, 64 (2). pp. 3042-3049. ISSN 0038 111X
Manalu, Risma Uly and Masta, Ngia (2021) Takin as Indigenous based Experiment Activity Topicin Mathematics and Physics. Degres, 20 (2). pp. 49-56. ISSN 0376 8163
Manalu, Risma Uly (2016) PENGARUH KUALITAS PENYUSUNAN KTSP, SIKAP MASYARAKAT, DAN KEPERCAYAAN MASYARAKAT PADA KELULUSAN SISWA, TERHADAP IMPLEMENTASI KTSP JENJANG SMP DI JAKARTA. Jurnal Dinamika Pendidikan, 9 (3). pp. 176-186. ISSN 1410-4695
Manalu, Risma Uly (2015) ANALISIS DAN PERANCANGAN SISTEM MANAJEMEN RUANG KULIAH DI UNIVERSITAS KRISTEN INDONESIA. Jurnal Dinamika Pendidikan, 8 (3). pp. 183-190. ISSN 1410-4695
Manalu, Risma Uly (2019) Probalitas. UKI Press, Jakarta. ISBN 978 623 7256 07 6
Sihite, Edward Baringin Oloan and Nempung, Judo Ignatius and Susilo, Susilo and Silalahi, Eva Magdalena and Hutauruk, Dikky Antonius and Sebayang, Melya Dyanasari and Abadi, Surjo and Lumbantoruan, Rutman and Manalu, Risma Uly and Sitompul, Dina Robiana and Simanjuntak, Dita Madonna (2020) Buku Materi Pembelajaran : Pengantar Teknologi Informasi. [Teaching Resource]
Sihite, Edward Baringin and Lumbantoruan, Rutman and Manalu, Risma Uly and Hutauruk, Dikky Antonius and Kolibu, Dirk Roy and Abadi, Surjo and Nempung, Judo Ignatius and Sitompul, Dina Robiana (2020) Buku Pembelajaran MKU Pengantar Teknologi Informasi (PTI) : Baca dan Tulis Dieksekusi Salin dan Tempel atau Terima dan Kirim. [Teaching Resource]
Manalu, Risma Uly (2020) Rencana Pembelajaran Semester (RPS) Mata Kuliah : Statistik Dasar. UKI, Jakarta. (Unpublished)
