Sulistyandari, S., Fikri, K. ., Puji, A. A. . and Abdullah, D. . (2023) “Performance Efficiency of Muhammadiyah University Sumatera Area Using Data Envelopment Analysis (DEA)”, International Journal of Applied Management and Business, 1(2), pp. 67–74. doi: 10.54099/ijamb.v1i2.695.