The Effectiveness of the Implementation of Collaborative-Based Academic Supervision by School Principals to Improve the Professionalism of Senior High School Teachers in Sleman Regency. Pustaka Edukasi: Jurnal Pendidikan Indonesia, [S. l.], v. 1, n. 2, p. 65–72, 2026. DOI: 10.65307/pe.v1i2.79. Disponível em: https://publications.corejurnal.com/index.php/pendidikan/article/view/79. Acesso em: 29 mar. 2026.