Hasibuan N, Afifah N, Nanda, Azelia C, Hutabarat AP. Mandailing-based character education through the MERDEKA framework in Muhammadiyah schools. IJED [Internet]. 2025Nov.17 [cited 2025Nov.18];6(3):941-53. Available from: https://ojs.mahadewa.ac.id/index.php/ijed/article/view/5094