“PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS PESERTA DIDIK MELALUI IMPLEMENTASI MODEL PROBLEM BASED LEARNING DENGAN PENDEKATAN TEACHING AT THE RIGHT LEVEL BERBANTU LKPD” (2024), 2(1), pp. 1–12. Available at: https://conference.upgris.ac.id/index.php/psnppg/article/view/6240 (Accessed: 13 August 2026).