Venkatesan, V. 1936- Seed systems in Sub-Saharan Africa : issues and options / V. V enkatesan. - Washington, D.C. : World Bank, c1994. - xi, 112 p. : ill. ; 28 cm. - Work Bank discussion papers Africa Technic al Department series 266. 0259-210X ; . Includes bibliography : p. 109-112. ISBN: 0821330861 Subjects--Topical Terms: Seed technology Seed industry and trade