Avelia, Trieana, and Guspatni Guspatni. “The Development of PowerPoint-ISpring Learning Media on Molecular Shapes for Class X SMA”. Entalpi Pendidikan Kimia 3, no. 3 (July 22, 2022): 36-44. Accessed October 6, 2024. http://entalpipendidikan.ppj.unp.ac.id/index.php/epk/article/view/277.