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Regional agricultural conditions
(1984)
Eléments sur la géographie de l'agriculture aux Etats-Unis et dans l'Union européenne : les productions agricoles se concentrent-elles?
Daniel, Karine, (2005)
Multiproduct supply and input demand in US agriculture
Shumway, C. Richard, (1988)
Production interrelationships in Sri Lankan peasant agriculture
Shumway, C. Richard, (1987)
TEXAS FIELD CROPS: ESTIMATION WITH CURVATURE
Shumway, C. Richard, (1990)
PRODUCTION INTERRELATIONSHIPS IN SRI LANKAN PEASANT AGRICULTURE