AKTHER, M. S. R.; THARANI, G. Assessment of Water Quality Parameters and Determination of Water Quality Index of Tube Well Water in Vengalacheddikulam DS Division,Vavuniya District, Sri Lanka. International Journal of Sciences: Basic and Applied Research (IJSBAR), Jordan, v. 32, n. 3, p. 317–328, 2017. Disponível em: https://www.gssrr.org/JournalOfBasicAndApplied/article/view/7113. Acesso em: 13 sep. 2025.