Arwinda, Alda, and Denny Indria Ferawati. “Portrait of Class Management in the Learning Process at Muhammadiyah Kretek Middle School: A Qualitative Descriptive Study”. COPE: Caraka Olah Pikir Edukatif 29, no. 1 (May 1, 2025): 35–40. Accessed October 1, 2025. https://jurnal.uny.ac.id/index.php/cope/article/view/88172.