MUKHERJEE, S.; PAHARI, D. P. Underground and Opencast Coal Mining Methods in India: A Comparative Assessment. Space and Culture, India, [S. l.], v. 7, n. 1, p. 39–55, 2019. DOI: 10.20896/saci.v7i1.395. Disponível em: https://spaceandculture.in/index.php/spaceandculture/article/view/395. Acesso em: 19 apr. 2024.