Lubis, H. A., Hudha, A. M., & Effendi, M. M. (2026). Contextual Differential Strategy in Muhammadiyah Education Quality Asahan: Strategi Kontekstual Diferensial dalam Mutu Pendidikan Muhammadiyah Asahan. Academia Open, 11(1), 10.21070/acopen.11.2026.13105. https://doi.org/10.21070/acopen.11.2026.13105