Finding our niche :

by Kaufman, Donald G.

Additional authors: Armbruster, Karla Published by : Harper Collins College Pub., (New York, N.Y. :) Physical details: [xii, 224] p. ISBN: 0065007719 (pbk.). Subject(s): Human ecology. | Human ecology -- United States. | Environmental protection. | Conservation of natural resources. Year: 1993

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