Juniar, Anna, Jonter Siregar, Albinus Silalahi, Retno Dwi Suyanti, and Pravil Mistryanto. “Pengembangan Bahan Ajar Reaksi Redoks Berorientasi PBL (Problem Based Learning)”. Talenta Conference Series: Science and Technology (ST) 2, no. 1 (February 13, 2019): 259-263. Accessed April 27, 2024. https://talentaconfseries.usu.ac.id/st/article/view/354.