YUNITA FEBRIANTI; MHD NAJIB SIHAB SIREGAR; ERNY WULANDARI. Approaches in Educational Supervision: Directive, Non-Directive, and Collaborative Analysis in Improving Teacher Professionalism. Zeniusi Journal, Sumatera Utara, Indonesia, v. 2, n. 1, p. Bahasa: 72–81. English: 66, 2025. DOI: 10.70821/zj.v2i1.49. Disponível em: https://journal.zeniusi.com/zj/article/view/49. Acesso em: 7 jul. 2025.