Susilawati, S., Trisnamansyah, S. ., Sauri, S. . and Saodih, C. . (2022) “Implementation Of Principal Transformational Leadership In Improving Teacher Performance In State Junior High Schools”, International Journal of Educational Research & Social Sciences , 3(4), pp. 1689–1695. doi: 10.51601/ijersc.v3i4.437.