Perspectives on environment

Manylion Llyfryddiaeth
Awduron Corfforaethol:	Association of American Geographers. Commission on College Geography. Panel on Environmental Education, Panel on Environmental Education
Awduron Eraill:	Manners, Ian R. (ed.), Mikesell, Marvin W. (ed.)
Fformat:	Llyfr
Iaith:	English
Cyhoeddwyd:	Washington [Association of American Geographers 1974]
Cyfres:	Publication (Association of American Geographers. Commission on College Geography) no. 13.
Pynciau:	Ecology. Nature > Effect of human beings on.