Sihombing RH, Armanto D. Pengaruh Penerapan e-Modul Berbasis Problem Based Learning Terhadap Kemampuan Pemacahan Masalah Matematis Peserta Didik SMPN 5 Medan. Journal of Sains Cooperative Learning and Law [Internet]. 2024 Sep. 30 [cited 2026 Jun. 23];1(2):497-513. Available from: https://rayyanjurnal.com/index.php/sakola/article/view/3357