Hartley, Michael J. The supply response for rubber in Sri-Lanka : a preliminary anal ysis / Michael J. Harley, Marc Nerlove and R. Kyle Peters - Washington, D.C. : The World Bank, 1984. - 82 p. ; 27 cm. - World Bank staff working papers . Includes bibliographical references (p. 82) Subjects--Topical Terms: Rubber industry and trade