Encyclopaedia of environment, pollution, planning and conservation
/ P. R. Trivedi
New Delhi
: A.P.H. Pub. Corporation
, 2000 = 1379.
۶ج.
مصور، جدول، نمودار
V. 1. State of India's environment -- V. 2. Environmental impact assessment -- V. 3. Naturak resources conservation -- V. 4. Ecology and environment -- V. 5. Environmental education -- V. 6. Environmental pollution and control