Martins, M. E., Freitas, A. F. de, Dias, M. M. and Filippi, E. E. (2011) “The Challenge of Solidarity Credit Cooperative in General Mines Kill Zone”, Revista Brasileira Multidisciplinar, 14(1), pp. 82-94. doi: 10.25061/2527-2675/ReBraM/2011.v14i1.98.