Umamy NA, Marlina M, Sari NL. MENINGKATKAN HASIL BELAJAR MATEMATIKA DENGAN MODEL PROBLEM BASED LEARNING BERBANTUAN MEDIA GAMBAR KELAS IV. ACTION [Internet]. 2025Jun.23 [cited 2026Feb.10];5(2):186-93. Available from: https://jurnalp4i.com/index.php/action/article/view/5630