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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
Nadeak, Bernadetha and Siagian, Carmen Minerva and Sormin, Elferida and Juwita, Citra Puspa (2023) Analysis of Family and Infant Characteristics of Potential Stunting Event. Proceedings of the 1st World Conference on Health and Social Science (WCHSS 2022). pp. 66-71. ISSN 2468-5739
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
Rahmawati, Fri and Bintang, Maria and Yang, Albert Jackson and Sormin, Elferida (2023) Penyuluhan Pencegahan Stunting dan Pengukuran Antropometri di Posyandu Cempaka RW “A” Kelurahan Kemirimuka, Kecamatan Beji, Depok-Jawa Barat. Jurnal Comunità Servizio, 5 (2). 1391 -1399. ISSN 2656 - 677X
Sormin, Elferida and Ulinata, Ulinata and Tampubolon, Sudarno P and Sinaga, Haposan Sahala Raja (2023) Strengthening Communities of Earthquake Victims through a Sanitation Program (Installation/Clean Water Supply and Portable MCK in Kampung Tugu Rw 3 Cibeureum Village, Cugenang, Cianjur). Asian Journal of Community Services (AJCS), 2 (1). pp. 55-64. ISSN 2962 1496
Sormin, Elferida (2022) Evaluation of Merdeka Learning-Merdeka campus at Christian University of Indonesia based on stakeholder perceptions. International Journal of Advanced Educational Research, 7 (1). pp. 30-35. ISSN 2455 6157
Naibaho, Lamhot and Dawan, Anil and Siagian, Carmen Minerva and Ekaratni, Maria J. Adrijanti and Sormin, Elferida and Sitompul, Rachmat Willy and Juwita, Citra Puspa and Tehupeiory, Aartje and Nadeak, Bernadetha and Siahaan, Chontina and Hutapea, Rully Devine (2021) The Asmat Tribe's Perception of Parenting Style (Anthropological Studies with a Qualitative Approach). Turkish Online Journal of Qualitative Inquiry, 12 (6). pp. 1540-1546. ISSN 1309 6591
Sunarto, Sunarto and Tyas, Eden Handayani and Naibaho, Lamhot and Sormin, Elferida and Nadeak, Bernadetha (2021) The Integration of Lecturers’ Professionalism and Intelligence with Environment Insight. PSYCHOLOGY AND EDUCATION, 58 (2). 5981 -5987. ISSN 0033 3077
Nadeak, Bernadetha and Naibaho, Lamhot and Sunarto, Sunarto and Tyas, Eden Handayani and Sormin, Elferida (2021) Learning Management in Suburban Schools During the Midst of COVID-19. PSYCHOLOGY AND EDUCATION JOURNAL, 58 (2). 1131 -1139. ISSN 0033 3077
Tyas, Eden Handayani and Sunarto, Sunarto and Naibaho, Lamhot and Nadeak, Bernadetha and Sormin, Elferida (2021) Lecturers’ Cultural Sensitivity on Using Social Media - Facebook and Instagram. PSYCHOLOGY AND EDUCATION, 58 (2). 5974 -5980. ISSN 0033 3077
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
Nadeak, Bernadetha and Juwita, Citra Puspa and Sormin, Elferida and Naibaho, Lamhot (2020) Hubungan kemampuan berpikir kritis mahasiswa dengan penggunaan media sosial terhadap capaian pembelajaran pada masa pandemi Covid-19. Jurnal Konseling dan Pendidikan, 8 (2). pp. 98-104. ISSN 2337 6880
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
Simatupang, Nova Irawati and Maria, Fenny and Sormin, Elferida (2020) PENGGUNAAN APLIKASI SCHOOLOGY PADA SMARTPHONE UNTUK MENINGKATKAN MINAT BELAJAR KIMIA SISWA SMA PUSAKA 1 JAKARTA. EKSAKTA, 5 (2). pp. 153-160. ISSN 2598 2400
Nadeak, Bernadetha and Sormin, Elferida and Naibaho, Lamhot and Deliviana, Evi (2020) Sexuality in Education Begins in The Home(Pendidikan Seksual Berawal Dalam Keluarga). Jurnal Comunita Servizio, 2 (1). pp. 254-264. ISSN 2656 67710
Simatupang, Nova Irawati and Sormin, Elferida (2020) The effectiveness of using flipbook maker to improve the chemistry learning outcomes of senior high school students. Jurnal Pendidikan Kimia, 12 (1). pp. 26-33. ISSN 2549 3116
Nadeak, Bernadetha and Sasmoko, and Simanjuntak, Desy Ria and Naibaho, Lamhot and Sormin, Elferida and Juwita, Citra Puspa and Pardede, Sudung O. (2019) Analysis of Nursing Quality Services. Indian Journal of Public Health Research & Development, 10 (6). pp. 1380-1384. ISSN 0976 5506
Nadeak, Bernadetha and Sasmoko, Sasmoko and Iriani, Uli Erni and Naibaho, Lamhot and Sormin, Elferida and Juwita, Citra Puspa (2019) Building Employees’ Mental Health: The Correlation between Transactional Leadership and Training Program with Employees’ Work Motivation at XWJ Factory. Indian Journal of Public Health Research & Development, 10 (6). pp. 1373-1379. ISSN 0976 5506
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
Nadeak, Bernadetha and Sasmoko, and Naibaho, Lamhot and Sormin, Elferida and Juwita, Citra Puspa (2019) Healthy Work Culture Stimulate Performance. Indian Journal of Public Health Research & Development, 10 (6). pp. 1385-1389. ISSN 0976 5506
Nadeak, Bernadetha and Deliviana, Evi and Sormin, Elferida and Naibaho, Lamhot and Juwita, Citra Puspa (2019) PEMBINAAN KETAHANAN PERNIKAHAN DAN KEHARMONISAN KELUARGA DENGAN TEMA “THE FAMILY RELATIONSHIP AND INTIMACY”. Jurnal Comunita Servizio, 1 (2). pp. 179-185. ISSN 2656 67710
Sormin, Elferida and Silalahi, Marina and Widodo, Bambang and Susilo, Susilo (2019) Pemberdayaan Masyarakat Melalui Pengolahan Sampah Organik Di Desa Tempursari Kecamatan Tempursari, Kabupaten Lumajang, Jawa Timur. Jurnal Comunita Servizio, 1 (1). pp. 11-18. ISSN 2656-67710
Sormin, Elferida and Julianti, Krisna and Nadeak, Bernadetha and Naibaho, Lamhot (2019) USE OF CONSTRUCTION INQUIRI LEARNING MODEL TO IMPROVE THE INTEREST OF LEARNING STUDENTS GRADE XI SMA ANGKASA 2 IN COLOID MATERIALS. PEOPLE International Journal of Social Sciences, 5 (2). pp. 908-917. ISSN 2454 5899
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
Sormin, Elferida (2016) Pengaruh Kreativitas dalam Pembelajaran Inkuiri Berbasis Multimedia terhadap Hasil Belajar Siswa pada Pokok Bahasan Ikatan Kimia. Jurnal EduMatSains, 1 (1). pp. 51-60. ISSN 2527 7235
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, Reinensi Iin and Sormin, Elferida and Simanjuntak, Familia Novita (2021) Utilization of Interactive Module to Improve Student Learning Interests in Materials Hydrocarbons And Earth Oil in XI IPA. In: Proceeding Atlantis Press Science Web of Science. Atlantis Press. (In Press)
Kastria, Wiwik Putri and Sormin, Elferida (2019) PENINGKATAN HASIL BELAJAR KIMIA SISWA KELAS XI SEKOLAH MENENGAH ATAS ANGKASA 2 JAKARTA MELALUI METODE TUTOR SEBAYA PADA MATERI KOLOID TAHUN AJARAN 2017/2018. In: SEMINAR NASIONAL PROGRAM STUDI PENDIDIKAN KIMIA FAKULTAS KEGURUAN DAN ILMU PENDIDIKAN, Universitas Kristen Indonesia.
Naibaho, Lamhot and Nadeak, Bernadetha and Sormin, Elferida (2023) Pelestarian Bahasa Daerah Sebagai Jati Diri Bangsa Indonesia. Penerbit Widina Bhakti Persada Bandung. ISBN 978-623-459-299-3
Febrianty, Febrianty and Arifudin, Opan and Naibaho, Lamhot and Palindih, Lisa Indarsih and Nurmiyanti, Leni and Doho, Yohannes Don Bosco and Choiriyati, Wahyuni and Syamsuriansyah, Syamsuriansyah and Nadeak, Bernadetha and Mulyadi, Dedi and Tanjung, Rahman and Sormin, Elferida and Fatmasari, Rhini and Fatimah, Afiati (2020) Kepemimpinan & Perilaku Organisasi (Konsep dan Perkembangan). WIDINA MEDIA UTAMA, Bandung. ISBN 978-623-93255-4-1
Febrianty, Febrianty and Arifudin, Opan and Naibaho, Lamhot and Palindin, Lisa Indarsih and Nurmiyanti, Leni and Doho, Yohannes Don Bosco and Choiriyati, Wahyuni and Syamsuriansyah, Syamsuriansyah and Nadeak, Bernadetha and Mulyadi, Dedi and Tanjung, Rahman and Sormin, Elferida and Rhini, Fatmasari and Afiati, Fatimah and Leo, Susanto (2020) Kepempimimpinan & Perilaku Oeganisasi : Konsep dan Perkembangan. Penerbit Widina Bhakti Persada Bandung, Bandung. ISBN 978 623 93255 4 1
EC00202352783 (2023) Laboratorium Berbasis Virtual Reality untuk Pembuatan Garam Rangkap dan Kompleks. 000485718.
EC002022109438 (2022) Laboratorium Kimia Analitik Berbasis Virtual Reality Terintegrasi AI. 000425182.
Nadeak, Bernadetha and Siagian, Carmen Minerva and Sormin, Elferida and Juwita, Citra Puspa Ta Eka Men Pakas Nao Natuin Tasaeba Oe Susu A In Nesan Ma Atfe Amnahat Tu An. [Teaching Resource]
Sormin, Elferida (2021) Mata Kuliah : Kimia Dasar I. UKI. (Unpublished)
Sormin, Elferida (2021) Mata Kuliah : Kimia Dasar Kelas A. UKI. (Unpublished)
Sormin, Elferida (2021) Mata Kuliah : Kimia Organik I. UKI. (Unpublished)
Sormin, Elferida (2021) Mata Kuliah : Praktikum Kimia Dasar I. UKI. (Unpublished)
Tehupeiory, Aartje and Naibaho, Lamhot and Sormin, Elferida and Sinaga, Haposan Sahala Raja and Destine, Decmoon and Siregar, Tungkot and Girsang, Juliana Naomi (2021) Naskah Akademik Kebijakan Bidang Pertanahan. PT Bank Tabungan Negara (Persero), TBK dan Universitas Kristen Indonesia, Jakarta.
Sormin, Elferida (2020) Mata Kuliah : Kimia Organik II Kelas A. UKI. (Unpublished)
Sormin, Elferida (2020) Mata Kuliah : Metode Penelitian Pendidikan dan Statistik. UKI. (Unpublished)
