Opubo, Idoniboyeobu, Frances, and Ekenedo, Golda O. “Access to Safe Water Among Waterfront Dwellers in Port Harcourt Metropolis, South-South Nigeria”. European Scientific Journal, ESJ 16, no. 12 (April 30, 2020): 283. Accessed May 16, 2022. https://eujournal.org/index.php/esj/article/view/12830.