Conserving natural resources
Allen, Shirley Walter
Conserving natural resources principles and practice in a democracy [Text] Allen, Shirley Walter - 3rd ed. - New York McGraw Hill 1966 - viii,432 p. ill. 23 cm.
Economics of Land and Energy / Natural Resources and Energy
339.9 / ALL
Conserving natural resources principles and practice in a democracy [Text] Allen, Shirley Walter - 3rd ed. - New York McGraw Hill 1966 - viii,432 p. ill. 23 cm.
Economics of Land and Energy / Natural Resources and Energy
339.9 / ALL