IKPE, Emem. Evaluation of Protectivity of Aquifer Using Dar – ZarroukParameters in Ikot Ekpene Urban and its Environs. Optimality, [S. l.], v. 1, n. 1, p. 121–139, 2024. DOI: 10.22105/opt.v1i1.40. Disponível em: https://opt.reapress.com/journal/article/view/40.. Acesso em: 3 apr. 2025.