Principals’ Professional Competency in Increasing Teacher Performance in State Kindergartens of Tebo Regency, Jambi Province. JMKSP [Internet]. 2026 Oct. 8 [cited 2026 Oct. 24];11(2):742-5. Available from: https://jurnal.univpgri-palembang.ac.id/index.php/JMKSP/article/view/22636