Sugandi, Dayum, and R. Supyan Sauri. 2026. “A Managerial Leadership Model for Teacher Performance Improvement: Insights from Madrasah Aliyah in Garut Regency”. Journal of General Education and Humanities 5 (1). Bandung, Indonesia:829–840. https://doi.org/10.58421/gehu.v5i1.1019.