Higher Education in Post –Covid 19 Nigerian Universities: Sustainable Development in Environmental Education. Journal of Namibian Studies : History Politics Culture, [S. l.], v. 34, p. 2267–2278, 2023. DOI: 10.59670/jns.v34i.2963. Disponível em: https://www.namibian-studies.com/index.php/JNS/article/view/2963. Acesso em: 10 nov. 2025.