TY  - BOOK
AU  - Gopal, B. ,
AU  - Sharma,K.P,
TI  - Water - Hyacinth ( Eichhornia Crassipes )
U1  - 632.58 
PY  - 1981///
CY  - Delhi
PB  - Hindasia
KW  - Water - Hyacinth
ER  -