Vanzal, Tito, and Kusumawati Dwiningsih. “Effectiveness of Android-Based Mobile Learning (M-Learning) on Molecular Shape Sub-Materials to Improve Students’ Visual-Spatial Intelligence”. Jurnal Penelitian Pendidikan IPA 9, no. 9 (September 25, 2023): 7474–7483. Accessed August 26, 2025. https://jppipa.unram.ac.id/index.php/jppipa/article/view/4738.