Blades, Derek W. Service activities in developing countries : an analysis based on national accounts / by Derek W. Blades, Derek D. Johnston, Witold Marczewski. - 254 pages ; 25 cm Includes bibliographical references. ISBN: 9264112545 LCCN: 75316385 Subjects--Topical Terms: Service industries--Developing countries. LC Class. No.: HD9980.5 / .B55 1974