Fathoni A, Muhtadin K. Implementation of Problem Based Learning (PBL) Model to Improve SMP Students’ Concepts Mastery in Additive Materials and its Correlation with Surat Al Baqarah Verse 168. Pengabdian: Jurnal Abdimas [Internet]. 2024Mar.2 [cited 2025Jul.6];2(1):61-70. Available from: http://journal.ypidathu.or.id/index.php/abdimas/article/view/741