UKAGA Okechukwu Sustainable development Principles, frameworks, and case studies. - New York CRC Press 2010 - xxv, 216p cm. ISBN: 9781439820629 3130.77 Source: 632, 06/08/2010, Insat Books & Periodicals General Book Subjects--Topical Terms: Geography Dewey Class. No.: X:77:(G:55), Q0