Novelina Andriani Zega, Nathanael Sitanggang. Empowering Education: Unveiling Effective Strategies in School Principal Supervision to Enhance Teacher Professionalism. IJHESS [Internet]. 2024 Apr. 11 [cited 2026 Jun. 11];3(5). Available from: https://ijhess.com/index.php/ijhess/article/view/829