Syuhada, Syuhada, Mahdum Mahdum, and Gimin Gimin. 2026. “The Influence of Principal Leadership, Rewards from Principals, and Punishment from Principals on Teacher Discipline in State Elementary Schools in Dumai City District, Dumai City”. Journal of Educational Sciences 6 (1): 130-45. https://doi.org/10.31258/jes.6.1.p.130-145.