TY  - BOOK
AU  - 
ED  - Prabhakar, V.K.
TI  - Research methdology and systems analysis
T2  - Encyclopaedia of environmental pollution and awareness in .
SN  - 8126109297
U1  - 363.7072 
PY  - 2001///
CY  - New Delhi
PB  - Anmol Publications Pvt.Ltd.
ER  -