Fathoni, Ahmad, and Khoirul Muhtadin. 2024. “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 2 (1):61-70. https://doi.org/10.55849/abdimas.v2i1.741.