Proceedings of the International Conference on Water Hyacinth, Hyderabad, India, Febryary 7-11, 1993
Proceedings of the International Conference on Water Hyacinth, Hyderabad, India, Febryary 7-11, 1993
editor, G. Thyagarajan
- Nairobi United Nations Environment Programme 1984
- 1005 p. 21 cm
9280710906
9280710906