Diniaty, Artina, and Lina Fauzi’ah. “Implementation of Learning Assistance to Chemistry Learning Motivation of Students in MAN 4 Sleman”. IJCER (International Journal of Chemistry Education Research) 3, no. 1 (July 9, 2019): 49–52. Accessed May 5, 2024. https://journal.uii.ac.id/IJCER/article/view/13001.