Muna AR, Happy N, Amin F. PENINGKATAN KEMAMPUAN PEMECAHAN MASALAH MATEMATIS PESERTA DIDIK MELALUI IMPLEMENTASI MODEL PROBLEM BASED LEARNING DENGAN PENDEKATAN TEACHING AT THE RIGHT LEVEL BERBANTU LKPD. psnppg [Internet]. 2024 Dec. 24 [cited 2025 Apr. 14];2(1):1-12. Available from: https://conference.upgris.ac.id/index.php/psnppg/article/view/6240