Evaluation of Drinking Water Quality in Rural Areas of Khyber Pakhtunkhwa Pakistan: A Case Study of Upper Dir and Barawal Districts. International Journal of Current Engineering and Technology, [S. l.], v. 5, n. 1, p. 389–396, 2015. Disponível em: https://ijcet.evegenis.org/index.php/ijcet/article/view/1934. Acesso em: 7 apr. 2026.