ONUMAEGBU, P. O. THE PROFESSIONALIZATION OF ENVIRONMENTAL HEALTH PRACTICE IN NIGERIA: CHALLENGES AND PROSPECTS. International Journal of Health and Social Inquiry, [S. l.], v. 2, n. 1, 2018. Disponível em: https://journals.aphriapub.com/index.php/IJHSI/article/view/314. Acesso em: 4 may. 2024.