Freire AH, Reis RP, Veiga RD, Fontes RE. ECONOMIC EFFICIENCY OF COFFEE IN THE SOUTH OF MINAS GERAIS: ONE APPLICATION OF PRODUCTION FRONTIER. Coffee Science - ISSN 1984-3909 [Internet]. 2011Sep.6 [cited 2025Apr.20];6(2):172-83. Available from: http://177.105.2.251/index.php/Coffeescience/article/view/310