Foundation of environmental studies.
Foundation of environmental studies.
- New Delhi : U.P. Techincal University, 2005.
- xi, 356 pages : illustrations ; cm.
Includes index.
8175154837 : $
Human ecology--Study and teaching.
Human ecology--Study and teaching.
Includes index.
8175154837 : $
Human ecology--Study and teaching.
Human ecology--Study and teaching.