REMPEL, C.; ECKHARDT, R. R.; JASPER, A.; SCHULTZ, G.; HILGERT, ÍGOR H.; BARDEN, J. E. METHODOLOGY FOR ASSESSING THE ENVIRONMENTAL SUSTAINABILITY OF MILK-PRODUCING FARMS. Tecno-Lógica, v. 16, n. 1, p. 48-55, 20 Jul. 2012.