00673nam a22002057a 4500003000500000005001700005008004100022010001000063011001000073020001500083035001100098040000900109100001600118245014300134260008000277300001000357650004000367650003600407700002400443CHAP20220329143205.0061206d2006    mx      r     00110 eng d  a93113  a94085  a9706481419  a104669  cCHAP1 aLilja, Nina10aAnalysis of participatory research projects :bin the International Maize and Wheat Improvement Centerc/by Nina Lilja and Mauricio Bellon  aMéxico, D. F. :bInternational Maize and Wheat Improvement Center,c2006.  a34 p.14aAgriculturaxInvestigacionxCostos.14aAnalisis de costos y beneficio.0 aBellon, Mauricio R.