Appraisal of Fluoride Contamination in Groundwater Using Statistical Approach in Rural Areas of Quetta, Balochistan. Pakistan Journal of Analytical & Environmental Chemistry, Pakistan, v. 21, n. 2, p. 314 – 321, 2020. DOI: 10.21743/pjaec/2020.12.33. Disponível em: http://pjaec.pk/index.php/pjaec/article/view/149. Acesso em: 4 jul. 2025.