children and the environment:report of the executive director /
United Nations.Environment programme
- Nairobi : United Natinons, 1990.
- 113 p. : ill. ; 22 cm.
- The state of the environment 1990 .
Includes bibliographical references
9280712691
Children
Environment protection
305.23 / UNC
Includes bibliographical references
9280712691
Children
Environment protection
305.23 / UNC