Betania, Betania, Linda Dwi Saputri, and Novika Lestari. “MODEL PEMBELAJARAN PROBLEM BASED LEARNING BERBANTUAN PERMAINAN ENGKLEK TERHADAP KEMAMPUAN PEMECAHAN MASALAH SISWA”. AL KHAWARIZMI: Jurnal Pendidikan Matematika 6, no. 1 (January 31, 2026): 27–32. Accessed May 13, 2026. https://www.jurnalstkipmelawi.ac.id/index.php/KJPM/article/view/4635.