Delfauzul, D., Simatupang, W. and Maksum, H. 2021. Contribution of Principal and Supervision on the Performance of Teacher Motivation Smkn 1 Palembayan. International Journal of Educational Dynamics. 3, 2 (Jul. 2021), 1-4. DOI:https://doi.org/10.24036/ijeds.v3i2.312.