TY  - BOOK
AU  - Lakshmi Ghantha
AU  - Venkata Shiva
TI  - Methods of teaching environment science
SN  - 978-8171418398
U1  - 372.8 LAKM 
PY  - 2005///
CY  - New Delhi
PB  - Discovery Publishing House
KW  - Enviournment Science
ER  -