ARVIND KUMAR
ATEXTBOOK OF ENVIRONMENTAL SCIENCE (AS PER UGC SYLLABUS) - NEW DELHI A P H PUBLISHING CORPORATION 2008 - 376P.
817648590-X
DEFINITION AND SCOPE OF ECOLOGY
NATURAL RESOURCES
ECOSYSTEM
BIODIVERSITY
ENVIRONMENTAL POLLUTION
SOCIAL ISSUES
POPULATION
577 ARV/TE
ATEXTBOOK OF ENVIRONMENTAL SCIENCE (AS PER UGC SYLLABUS) - NEW DELHI A P H PUBLISHING CORPORATION 2008 - 376P.
817648590-X
DEFINITION AND SCOPE OF ECOLOGY
NATURAL RESOURCES
ECOSYSTEM
BIODIVERSITY
ENVIRONMENTAL POLLUTION
SOCIAL ISSUES
POPULATION
577 ARV/TE