Carlos Reis de Freitas, A. and Gonçalves Gomes, E. (2005) “ECONOMIC PERFORMANCE EVALUATION AND TECHNICAL EFFICIENCY SCORES OF AGRICULTURAL SYSTEMS APPLYING MULCH TECHNOLOGY IN EASTERN AMAZON”, Science & Technology Journals, 22(3), pp. 713–739. doi:10.35977/0104-1096.cct2005.v22.8666.