TETTEH, U. S.; TETTEY, M. B. Effectiveness of Communication in the Administration of the Junior High School in the Cape Coast Metropolis of Ghana. The International Journal of Business & Management, [S. l.], v. 3, n. 9, 2015. Disponível em: https://internationaljournalcorner.com/index.php/theijbm/article/view/137940. Acesso em: 23 jul. 2024.