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Essentials of ecology and environmental science /

Rana,S.V.S.

Essentials of ecology and environmental science / S.V.S. Rana - 4th ed. - New delhi : PHI Learning c2009 - xv, 568 p, [16]. : ill. ; 20 cm.

Includes Index.

9788120338944


Ecology.

577 / RAE