TY - BK AU - Bellon,M.R. AU - Aguirre,A. AU - Aragón,F. AU - Castro García,H. AU - Díaz,J. AU - Smale,M. AU - Taba,S. TI - Farmer management of maize diversity in the Central Valleys of Oaxaca, Mexico: CIMMYT / INIFAP 1998 -- Methods proposed for impact assessment PY - 1998/// CY - Mexico, DF (Mexico) PB - CIMMYT, KW - Canada KW - Germplasm conservation KW - International cooperation KW - Methods KW - Mexico KW - Oaxaca KW - Research policies KW - Research projects KW - Genetic resources KW - AGROVOC KW - CIMMYT KW - IDRC KW - INIFAP KW - Instituto Nacional de Investigaciones Forestales, Agrícolas y Pecuarias (INIFAP) KW - International Development Research Centre (IDRC) KW - International Maize and Wheat Development Center (CIMMYT) KW - Oaxaca Project ER -