Novita Rahayu N, Al Bani Thariq R, Adinanda Siswoyo A. PENERAPAN MODEL PROBLEM BASED LEARNING BERBANTUAN MEDIA ALAT UKUR TANGGA UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA. ACTION [Internet]. 2025 Jun. 16 [cited 2026 Apr. 26];5(2):135-43. Available from: https://jurnalp4i.com/index.php/action/article/view/5585