TY  - BOOK
AU  - Gupta, Arvind
TI  - Samaj, paryavaran aur abhiyantriki
SN  - 81-7178-774-6
U1  - 303.483 21st
PY  - 1999///
CY  - New Delhi
PB  - Rajkamal
KW  - Environmental engineering; Environmental education; Educational sociology
ER  -