Environmental management of water projects /

مواد مشابهة

• Freshwater vegetation management /
  بواسطة: Gangstad, Edward O.
  منشور في: (1986)
• Making aquatic weeds useful : some perspectives for developing countries /
  منشور في: (1976)
• Weedicides : their properties and application for the control of water weeds /
  بواسطة: Dunk, W. P.
• Making aquatic weeds useful : some perspectives for developing countries : report of an Ad Hoc Panel of the Advisory Committee on Technology Innovation, Board on Science and Technology for International Development, Commission on International Relations, National Academy of Sciences.
  منشور في: (1976)
• Conservation and productivity of natural waters; the proceedings of a symposium organized jointly by the British Ecological Society and the Zoological Society of London, held at the Zoological Society of London on 22 and 23 October, 1970.
  منشور في: (1972)