“MENINGKATKAN HASIL DAN MINAT BELAJAR MATEMATIKA MELALUI OPTIMALISASI KERJA KELOMPOK PADA MODEL PROBLEM BASED LEARNING”, psnppg, vol. 1, no. 2, pp. 1277–1286, Nov. 2023, Accessed: Aug. 11, 2026. Available: https://conference.upgris.ac.id/index.php/psnppg/article/view/5260