SIRINGORINGO, P.; DARYANTO, E.; RAHMAN, A. The Role of School Supervisors in Improving Vocational School (SMK) Accreditation in Humbang Hasundutan. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 35, n. 3, p. 160–165, 2017. Disponível em: https://www.gssrr.org/index.php/JournalOfBasicAndApplied/article/view/7985. Acesso em: 18 apr. 2024.