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Ölboom und Agrarfrage : kleinbäuerliche Anpassungsreaktionen bei rapidem Wandel in Kolumbien
Wittmer, Heidi, (2000)
Agriculture in an export boom economy : a comparative analysis of policy and performance in Indonesia, Mexico and Nigeria
Scherr, Sara J., (1989)
Specification of the agricultural development process
Schuh, G. Edward, (1967)
Government price policies for wheat, rice, and tractors in Colombia
Hertford, Reed, (1978)
Sources of change in Mexican agricultural production, 1940 - 1965
Hertford, Reed, (1970)
Pobreza rural en Centroamérica
Hertford, Reed, (2003)