“PROBLEM-SOLVING AND PROBLEM-POSING LEARNING MODEL ENRICHED WITH THE MULTIPLE REPRESENTATION IN TETRAHEDRAL CHEMISTRY TO ENHANCE STUDENTS’ CONCEPTUAL UNDERSTANDING”. EDUSAINS 12, no. 1 (November 17, 2020): 123–134. Accessed November 21, 2025. https://journal.uinjkt.ac.id/edusains/article/view/13282.