Maya Sari Putri and Hamdan Hamdan 2025. Driving Excellence: How School-Based Management, Leadership, and Work Culture Shape Junior High School Teacher Performance in Serang City. Harmony Management: International Journal of Management Science and Business. 2, 3 (Sep. 2025), 291–305. DOI:https://doi.org/10.70062/harmonymanagement.v2i3.377.