Groundwater vulnerability and risk mapping of the Quaternary aquifer system in the Northeastern part of the Nile Delta, Egypt. African Journal of Geography and Regional Planning, [S. l.], v. 7, n. 1, p. 1–13, 2020. Disponível em: https://ijpp.org/journal/index.php/AJGRP/article/view/290. Acesso em: 11 oct. 2025.