Simbolon NT, Simamora I, Br Sinuraya FR. EFEKTIVITAS MODEL PEMBELAJARAN PROBLEM BASED LEARNING (PBL) PADA PENINGKATAN KETERAMPILAN HIGHER ORDER THINKING SKILLS (HOTS) SD NEGERI 173531 MEAT. AQUINAS [Internet]. 2025Jul.31 [cited 2025Aug.4];8(2):331-4. Available from: https://ejournal.ust.ac.id/index.php/Aquinas/article/view/4888