Manihar Situmorang, Marudut Sinaga, Debby Suci Martalina, Ajat Sudrajat, and Marham Sitorus. “Inovasi Bahan Ajar Interaktif Berbasis Multimedia Untuk Pengajaran Analisis Anion”. Talenta Conference Series: Science and Technology (ST) 2, no. 2 (July 31, 2019). Accessed May 18, 2024. https://talentaconfseries.usu.ac.id/st/article/view/563.