The brain drain : emigration and return : findings of a UNITAR multinational comparative survey of professional personnel of developing countries who study abroad / William A. Glaser, with the assistance of G. Christopher Habers. Glaser, William A. Habers, G. Christopher, joint author. Brain drain Developing countries. Return migration Developing countries. HD8038.A1 G47 1978 331.127 GLE Includes bibliographical references and indexes. Oxford ; New York : Pergamon, 1978. 1978. 1978 Text xlvii, 324 p. ; eng UNITAR research report ; no. 22 UNITAR research reports ; no. 22. Developing countries. Developing countries.