SUTIKNO, S. Principal’s Managerial Performance to Improve Quality of Education at Vocational High School. Scaffolding: Jurnal Pendidikan Islam dan Multikulturalisme, [S. l.], v. 4, n. 3, p. 470–483, 2023. DOI: 10.37680/scaffolding.v4i3.2134. Disponível em: https://ejournal.insuriponorogo.ac.id/index.php/scaffolding/article/view/2134. Acesso em: 9 jul. 2025.