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The ecology of malnutrition in Mexico and Central America. Mexico, Guatemala, British Honduras, Honduras, El Salvador, Nicaragua, Costa Rica and Panama
May, Jacques Mayer, (1972)
Good farmers : traditional agricultural resource management in Mexico and Central America
Wilken, Gene C., (1987)
La agricultura en el desarrollo económico de Centroamérica en los 90
Pomareda, Carlos, (1992)