“PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS PESERTA DIDIK MELALUI IMPLEMENTASI MODEL PROBLEM BASED LEARNING DENGAN PENDEKATAN TEACHING AT THE RIGHT LEVEL BERBANTU LKPD” 2, no. 1 (December 24, 2024): 1–12. Accessed August 13, 2026. https://conference.upgris.ac.id/index.php/psnppg/article/view/6240.