Oppermann, Martin. Tourism in developing countries / Martin Oppermann and Kye-Sung Chon. - London : International Thomson Publishing, 1997. - 177 p. : ill. ; 25 cm. - Tourism and hospitality management series . Includes bibliographical references : p. 157-173. ISBN: 0415139392 RM106.75 Subjects--Topical Terms: Tourist trade--Developing countries.Tourist trade.