Winda Sihotang, Nathanael Sitanggang, and Joharis Lubis. 2021. “The Principal’s Communication Style In Motivating Teachers’ Work At Sma Brigjend Katamso II Medan”. International Journal of Educational Research &Amp; Social Sciences 2 (6):1544-48. https://doi.org/10.51601/ijersc.v2i6.219.