Learning for survival proceedings - Symposium on Environmental Education and Water Quality for the Future, Spokane, 1974; Widditsch, Ann.; Expo '74.; Washington (State) University. Institute for Environmental Studiess ([Seattle University of Washington, 1974)
Sponsored by the Institute for Environmental Studies, University of Washington, in cooperation with EXPO '74.
Keywords: Human ecology -- Study and teaching -- Congresses; Water quality -- Congresses