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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 Sumiyati, Sumiyati (2024) Students’ Imaginative Skills to Create a Simple Gamification on Chemistry Material. JURNAL INOVASI PEMBELAJARAN KIMIA (Journal of Innovation in Chemistry Education), 6 (1). pp. 53-58. ISSN 2685-0850
Harefa, Nelius and Sumiyati, Sumiyati and Tamba, Riris Marito (2024) Students’ creativity dimension in chemistry e-module based on augmented reality with project based learning approach. Jurnal Pendidikan Kimia (JPKIM), 16 (1). pp. 1-6. ISSN 2549-3116
Obet, Zebedius and Sumiyati, Sumiyati and Azzahra, St Fatimah and Harefa, Nelius (2023) Peningkatan Hasil Belajar Kimia Siswa Melalui Metode Tutor Sebaya pada Materi Sistem Periodik Unsur. Jurnal Pendidikan Kimia Universitas Riau, 8 (2). pp. 147-153. ISSN 2721-5164
Harefa, Nelius and Sumiyati, Sumiyati and Waruwu, Nelfin Fiktoris Riski (2023) Persepsi Siswa Terhadap E-Module Kimia Berbasis Augmented Reality: Melalui Pendekatan Project Based Learning. SEMINAR NASIONAL PENDIDIKAN IPA DAN MATEMATIKA KE-1 UNIVERSITAS NEGERI MALANG. pp. 124-133.
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
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 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
Guswantoro, Taat and Sianturi, Manogari and Faradiba, Faradiba and Gideon, Samuel and Lumbantobing, Septina Severina and Malau, Nya Daniaty and Lumbantobing, Yohana and Sumiyati, Sumiyati and Seprianus, Seprianus (2019) Pelatihan Penggunaan Alat Laboratorium Fisika Di SMP Pusaka Rawaselang Training of The use Of Physics Laboratory Tools In SMP Pusaka Rawaselang. Jurnal Pengabdian Masyarakat MIPA dan Pendidikan MIPA, 3 (1). pp. 22-26. ISSN 2549 4899
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 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
Siahaan, Maruarar and Narang, A. Teras and Tobing, Gindo L. and Nadapdap, Binoto and Soebagio, Atmonobudi and Widodo, Bambang and Siahaan, Uras and Simatupang, Sahala and Legowo, Poerwaningsih S. and Simatupang, Abraham and Bisa, Maksimus and Lumbanbatu, Adventus M.R. and Sintha, Lis and Langi, Louisa Ariantje and Mutiara, Rizka and Aritonang, Yanti Anggraini and Lenih, Lenih and Sitepu, Ied Veda Rimrosa and Tobing, Suzanna Josephine L. and Lubis, Serlina and Kennedy, Posma Sariguna Johnson and Sumiyati, Sumiyati and Simbolon, Kerdid and Simanjuntak, Desy Ria and Hutabarat, Lolom Evalita (2017) KUMPULAN KARYA ILMIAH DOSEN UNIVERSITAS KRISTEN INDONESIA DELAPAN WINDU. UKI Press, Jakarta. ISBN 978 979 8148 52 1
