1.
State of the World's Parks: An International Assessment for Resource Management, Policy and ...
by Machlis, Gary, Tichnell, David
ISBN: 9780813302744
List Price: $45.00
2.
The State Of The World's Parks: An International Assessment For Resource Management, Policy,...
by Gary E Machlis, David L. Ti...
ISBN: 9780367296346
List Price: $149.95