Kasmir, K. et al. 2026. Principal Leadership as a Strategy for Developing Educators and Educational personnel: A Thematic Synthesis of Articles Indexed in SINTA 1 and SINTA 2. Journal of Educational Sciences. 10, 7 (Jul. 2026), 899–914. DOI:https://doi.org/10.31258/jes.10.7.p.899-914.