Langi’ WL, Padallingan Y, Parumbuan ML. The Application of Project Based Learning Model in the Implementation of the Merdeka Curriculum to Enhance Students’ Concept Mastery in IPAS Learning. edumaspuljr [Internet]. 2024Oct.1 [cited 2026Apr.5];8(2). Available from: https://jurnal.unimen.cloud/index.php/maspuljr/article/view/8780