Haffith L, Nindiasari H, Khaerunnisa E. Systematic Literature Review: Efektivitas Penerapan Problem Based Learning (PBL) terhadap Kemampuan Berpikir Reflektif Matematis. cendekia [Internet]. 26Jul.2025 [cited 13Nov.2025];9(2):1010-6. Available from: https://www.j-cup.org/index.php/cendekia/article/view/3541