PERMAN Roger Natural resource and environmental economics - 4th - Harlow Pearson 2011 - xxx,712p cm. ISBN: 9780321417534 5892.6999999999998 Source: 853, 07/02/2014, Pranami Book Service General Book Subjects--Topical Terms: Economics Dewey Class. No.: X:271:(G:55), N6;Q1/TD