“PENERAPAN MODEL PEMBELAJARAN PROBLEM BASED LEARNING DENGAN PENDEKATAN TEACHING AT THE RIGHT LEVEL UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA ”, psnppg, vol. 2, no. 1, pp. 323–329, Dec. 2024, Accessed: Aug. 11, 2026. Available: https://conference.upgris.ac.id/index.php/psnppg/article/view/6179