TY  - BOOK
AU  - Gupta, O.P. 
TI  - Weed management: principles and practices 
SN  - 8185031568
U1  - 632.58 20
PY  - 1993/// [reprint 1997]
CY  - Bikaner, India : 
PB  - Agro botanical publishers cop.
KW  - Weeds
KW  - Control
ER  -