Bala Krishnamoorty .
Environmental management / - New Delhi : Prentice Hall , 2005. - 213p ;
81-203-2675-x
Environment management
363.7 / BAL/E
Environmental management / - New Delhi : Prentice Hall , 2005. - 213p ;
81-203-2675-x
Environment management
363.7 / BAL/E