01023nam a2200289Ia 450000100060000000300050000600500170001100800410002801000150006901500090008404300120009305000150010508200120012010000270013224500600015926000990021930000290031835000250034749000360037249000380040850400280044665000440047465000330051865000310055165000630058281000880064520173BIBL20160527193357.0730808s1972    fr a     b   i00000 eng    a 73164885   aF***  an-mx---0 aS564b.W55  a338.1/610aWinkelman, Don.2Local14aThe traditional farmerbmaximization and mechanization.0 aParisbDevelopment Centre of the Organisation for Economic Co-operation and Developmentc1972.  av, 94 p.billus.c24 cm.  a11.00F (2.75 U.S.A.) 0aEmployment seriesvno. 72Local1 aDevelopment Centre studies2Local  aBibliography: p. 93-94. 0aAgriculturexLabor productivity.2Local 0aFamily farmszMexico.2Local 0aFarm mechanization.2Local 0aAgriculturexEconomic aspectsxMathematical models.2Local2 aOrganization for Economic Cooperation and Development.tDevelopment Centre studies.