Saputro AD, Sulistiyo D, iman N. IMPLEMENTASI CHARACTER BUILDING DI SMA MUHAMMADIYAH 1 PONOROGO (Perspektif Pendidikan Islam). EDUCAN [Internet]. 2017Aug.1 [cited 2025Dec.7];1(2). Available from: https://ejournal.unida.gontor.ac.id/index.php/educan/article/view/1443