TY  - BOOK
AU  -  Singh,B.B.
ED  -  International Institute of Tropical Agriculture.
TI  -  General guide for cowpea cultivation and seed production / 
U1  -  338.1731 SIN 
PY  - 0000/// [n.d .]
CY  -  Ibadan : 
PB  -  International Institute of Tropical Agriculture, 
KW  -  Seed industry and trade
KW  -  Grain
KW  -  Seeds
ER  -