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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 & Social Sciences . 2, 6 (Dec. 2021), 1544–1548. DOI:https://doi.org/10.51601/ijersc.v2i6.219.