“Pembentukan Karakter Disiplin Melalui Program Boarding School SMP Muhammadiyah Darul Arqom Karanganyar Tahun Ajaran 2023 2024”. 2026. Community Engagement and Emergence Journal (CEEJ) 7 (2): 1301-7. https://journal.yrpipku.com/index.php/ceej/article/view/10330.