YELKPIERI, D.; NAMALE, M. K. Challenges of Instructional Supervision of Senior High Schools in the Techiman Municipality in the Brong Ahafo Region of Ghana. Asian Journal of Social Sciences and Management Studies, [S. l.], v. 3, n. 3, p. 222–228, 2016. DOI: 10.20448/journal.500/2016.3.3/500.3.222.228. Disponível em: http://asianonlinejournals.com/index.php/AJSSMS/article/view/492. Acesso em: 8 feb. 2023.