Guerra, Guillermo. Farm management hand-book - San José, C.R., : Instituto Interamericano de Cooperación para la Agricultura, 1982 - 318 p. ; gráfs - Educational texts and materials series ; 49 . - Educational texts and materials series ; 49 . LCCN: 15878 Subjects--Topical Terms: Empresas agropecuarias.Política agrícola. Dewey Class. No.: 631.02 / G8Y