TY  - BOOK
AU  - ARVIND KUMAR
TI  - ATEXTBOOK OF ENVIRONMENTAL SCIENCE (AS PER UGC SYLLABUS)
SN  - 817648590-X
U1  - 577  ARV/TE 
PY  - 2008///
CY  - NEW DELHI
PB  - A P H PUBLISHING CORPORATION
KW  - DEFINITION AND SCOPE OF ECOLOGY
KW  - NATURAL RESOURCES
KW  - ECOSYSTEM
KW  - BIODIVERSITY
KW  - ENVIRONMENTAL POLLUTION
KW  - SOCIAL ISSUES
KW  - POPULATION
ER  -