Ugaz, Cecilia Regulation of social services in the least developed countries : What are the issues at stake? / Cecilia Ugaz - Helsinki : World Institute for Development Economic Research , 1999 - 20p. : ill. ; 18 cm. - Working paper No. 170 . Includes bibliographical references Subjects--Topical Terms: social servicesdeveloped countries Gov. Doc. Class. No.: UN U WIDER WP-170