TY  - BOOK
TI  - Samajik vigyan : Hamara pryavaran : Kaksha 7 ke liye bhugol ki pathyapustak
SN  - 81-7450-748-5
PY  - 2007///
CY  - New Delhi, India
PB  - National Council of Educational Research and Training
KW  - Environmental Education
ER  -