Yunita Febrianti; Mhd Najib Sihab Siregar; Erny Wulandari. Approaches in Educational Supervision: Directive, Non-Directive, and Collaborative Analysis in Improving Teacher Professionalism. ZJ 2025, 2 (1), Bahasa: 72-81. English: 66. https://doi.org/10.70821/zj.v2i1.49.