TY  - BOOK
AU  - Gopal, B. ,
AU  - Sharma, K. P.,
TI  - Water - Hyacinth : Most Troubsome Weed of the World
U1  - 632 
PY  - 1981///
CY  - Delhi
PB  - Hindasia Publishers
KW  - Plant injuries, diseases & pests
ER  -