RADHAKRISHNA, B. P. Small-Scale Mining and Rural Employment Generation: some New Perspectives. Journal of Geological Society of India, [S. l.], v. 67, n. 4, p. 419–422, 2006. Disponível em: https://geosocindia.com/index.php/jgsi/article/view/81985. Acesso em: 21 sep. 2024.