Environmental pollution and management
Mohan, I.
Environmental pollution and management I. Mohan - New Delhi Ashish Publishing House 1989 - 387 p. ; 21 cm. - New world environment series .
8170242428
Pollution--Management
Environmental pollution and management I. Mohan - New Delhi Ashish Publishing House 1989 - 387 p. ; 21 cm. - New world environment series .
8170242428
Pollution--Management
