Journal of Sustainable Mining
Journal of Sustainable Mining > 2013 > Vol. 12, iss. 3 > 38--47
Journal of Sustainable Mining > 2017 > Vol. 16, iss. 3 > 83--93
Journal of Sustainable Mining > 2013 > Vol. 12, iss. 3 > 38--47
Journal of Sustainable Mining > 2017 > Vol. 16, iss. 3 > 83--93