Susilawati, S., S. . Trisnamansyah, S. . Sauri, and C. . Saodih. “Implementation Of Principal Transformational Leadership In Improving Teacher Performance In State Junior High Schools”. International Journal of Educational Research &Amp; Social Sciences, vol. 3, no. 4, Sept. 2022, pp. 1689-95, doi:10.51601/ijersc.v3i4.437.