Klaassen, Leo H. Social amenities in area economic growth, an analysis of methods of defining needs for local social amenities / Leo H. Klaassen - Paris : OECD , 1968 - 158 p. : ill. ; 24 cm. - Development job opportunities . Includes bibliographical references and index. Subjects--Topical Terms: EmploymentUnemploymentSocial welfare Dewey Class. No.: 331.11 / KLA