TY  - BOOK
AU  - Trivedi, P.R.
AU  - Raj, Gurdeep
TI  - Encyclopedia of Environmental Sciences: Management of Environmental Education and Research .Vol.19
SN  - 81-7158-279-6
U1  - 304.203 
PY  - 1992///
CY  - New Delhi
PB  - Akashdeep
KW  - Social Behavior
KW  - Human Ecology
ER  -