syarif, muhammad syarif Hidayatussalam, Hadi Mulyono Mulyono, and Riyadi Riyadi. “Enhancing Elementary Students’ Problem-Solving Skills in Geometry Through Schema-Based Instruction: A Classroom Action Research Study”. Journal of Literacy Education 1, no. 2 (June 25, 2025): 60–69. Accessed January 15, 2026. https://journal.dyoqu.com/index.php/jole/article/view/70.