Hesp, Paul. Producer prices in tropical Africa : a review of official prices for agricultural products, 1960-1980 / PaulHesp. - Leiden, The Netherlands : African Studies Centre, 1985. - 88 p. : ill. ; 29 cm. - Research reports ; 23 . Includes bibliography. Open access. ISBN: 9070110423 LCCN: 86192308 Subjects--Topical Terms: Agricultural prices--Africa, Sub-Saharan--Statistics.