Problems to be solved in the development of data for integrated population and development planning : report of an Expert Group Meeting. - New York : United Nations (UN) , 1978 - 30p. : ill. ; 27 cm. - Asian population studies series, no. 42 . Includes bibliographical references. Subjects--Topical Terms: Population policy--Congresses Gov. Doc. Class. No.: UN ESCAP APSS-42