Shepherd, Chris R., Open season : an analysis pf the pet trade in Medan, Sumatra 1997 - 2001 / Chris R. Shepherd, Jeet Sukumaran, Serge A. Wich. - vi, 59 pages : colours illustrations ; 30 cm. - A Traffic Southeast Asia report . - A Traffic Southeast Asia report . Includes bibliographical references. ISBN: 9789833393020 Hadiah Subjects--Topical Terms: Wild animal trade--Indonesia--Sumatra.