BALLUKRAYA, P. N. Sustainable Development of Groundwater in Hard Rock Areas. Journal of Geological Society of India, [S. l.], v. 65, n. 3, p. 378–379, 2005. Disponível em: http://www.geosocindia.com/index.php/jgsi/article/view/82567. Acesso em: 2 jun. 2024.