GURUNG, J. K.; ISHIGA, H.; KHADKA, M. S.; SHRESTHA, N. R. Comparison of arsenic and nitrate contaminations in shallow and deep aquifers of Kathmandu valley, Nepal. Journal of Nepal Geological Society, [S. l.], v. 33, p. 55-, 2007. Disponível em: https://www.nepjol.info/index.php/JNGS/article/view/720. Acesso em: 5 may. 2024.