Westlake, Michael John. Economic management of administered agricultural pricing and payment systems in Africa : a practical guide / by Michael John Westlake. - Rome : FAO, 1993. - vi,104 p. - FAO economic and social development paper ; 119 . LCCN: 9251032971 Subjects--Topical Terms: Agricultural prices--Africa.Agriculture--Economic aspects--Africa.Agricultural prices--Economic prices.