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Defining Environmental Education
by Disinger, John F., Monroe, ...
ISBN: 9781884782039
List Price: $8.00
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Sustainable Resource Development in the Third World
by Southgate, Douglas D., Disi...
ISBN: 9780813375229
List Price: $44.00
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Sustainable Resource Development In The Third World
by Doug Southgate, John F Disi...
ISBN: 9780367289324
List Price: $149.95