TY  - BOOK
AU  - Singh, Veena
TI  - Teaching of environment
SN  - 8184350716
U1  - 372.8304 
PY  - 2007///
CY  - New Delhi
PB  - Adhyayan Publishers & Distributors
KW  - Environment
KW  - Study and teaching
N1  - Includes bibliographical references and index
ER  -