Enjel O.Simanjutak, Joharis Lubis, & Nathanael Sitanggang. (2021). Changes In School Organizational Culture (Case Study State Junior High School 1 Pematangsiantar). International Journal of Educational Research &Amp; Social Sciences, 2(6), 1358–1362. https://doi.org/10.51601/ijersc.v2i6.195