Rahayu H, Waridah W, Etiovia RY. PENERAPAN METODE PROBLEM SOLVING BERBANTUAN MEDIA KONKRET UNTUK MENINGKATKAN HASIL BELAJAR MATEMATIKA. JPD [Internet]. 2017 Jun. 1 [cited 2025 Aug. 3];5(1):17-23. Available from: https://www.jurnalstkipmelawi.ac.id/index.php/JPD/article/view/125