CHIDIADI, O. C. Public Relation as an Essential Marketing Tool in Attracting and Retaining Membership in Non-governmental Organizations. The International Journal of Business & Management, [S. l.], v. 8, n. 12, 2020. DOI: 10.24940/theijbm/2020/v8/i12/BM2012-045. Disponível em: http://www.internationaljournalcorner.com/index.php/theijbm/article/view/157472. Acesso em: 17 jun. 2024.