Oktafia F, Devi M. Peningkatan Hasil Belajar Perkalian dan Pembagian Pecahan Menggunakan Model Problem Based Learning di SDN 04 Pasar Surantih. jptam [Internet]. 2020 Nov. 3 [cited 2024 Jul. 3];4(3):2541-7. Available from: https://jptam.org/index.php/jptam/article/view/740