Impact on maize diversity of mexican farmers' participation in off - farm labor markets /
Pita Duque, Angel.
Impact on maize diversity of mexican farmers' participation in off - farm labor markets / /por Angel Pita Duque. - California : El autor, 2010. - xiii, 189 h. : ilus., grafs.
Tesis (Ph. D. en Geografia) -- Universidad de California
99661
Agricultores.
Maíz--Variedades.
Mercados--México.
Impact on maize diversity of mexican farmers' participation in off - farm labor markets / /por Angel Pita Duque. - California : El autor, 2010. - xiii, 189 h. : ilus., grafs.
Tesis (Ph. D. en Geografia) -- Universidad de California
99661
Agricultores.
Maíz--Variedades.
Mercados--México.