Purcell, Steven W. Putting into practice an ecosytem approach to managing sea cucumber fisheries / [written and prepared by Steven Purcell]. - Rome : Food and Agriculture Organization of the United Nations, 2010. - vii, 81 p. : ISBN: 9789251066607 Subjects--Topical Terms: Trepang fisheries Dewey Class. No.: 338.372396 / Pu.