Nanda Sudin Djafar, Lilies N. Tangge, and Musdalifah Nurdin. “Factors of Learning Difficulties of Students in Science Subjects for Class VII A And VII B at SMP Negeri 19 Palu”. Equator Science Journal 2, no. 3 (October 31, 2023): 111–116. Accessed May 17, 2026. https://ejournal.edukhatulistiwa.com/index.php/ESJ/article/view/131.