Hidayat, A. R., Purwono, G. S., & Sulaksono, H. (2019). THE ANALYSIS OF RESULTS PRINCIPAL SUPERVISION ANDACHIEVEMENT MOTIVATION FOR TEACHER PERFORMANCEIN SMA SATYA DHARMA BALUNG. MBA : Journal of Management and Business Aplication, 2(2). https://doi.org/10.31967/mba.v2i2.330