TY  - BOOK
AU  -  Venkatesan,V.
TI  -  Seed systems in Sub-Saharan Africa : :  issues and options / 
SN  -  0821330861
PY  - 1994///
CY  -  Washington, D.C. : 
PB  -  World Bank, 
KW  -  Seed technology
KW  -  Seed industry and trade
N1  -  Includes bibliography : p. 109-112
ER  -