Rana, S. V. S.
Essentials of ecology and environmental science / S.V.S. Rana. - 5th ed. - Delhi India : PHI Learning Private Ltd. ; 2013 - xvii, 590 p. : ill., maps ; 25 cm.
Includes index
9788120347861
Environmental sciences.
Human ecology
Environmental protection
GE105 / R363 2013
Essentials of ecology and environmental science / S.V.S. Rana. - 5th ed. - Delhi India : PHI Learning Private Ltd. ; 2013 - xvii, 590 p. : ill., maps ; 25 cm.
Includes index
9788120347861
Environmental sciences.
Human ecology
Environmental protection
GE105 / R363 2013