The brain drain : emigration and return : findings of a UNITAR multinational comparative survey of professional personnel of developing countries who study abroad /
by William A. Glaser, with the assistance of G. Christopher Habers.
- Oxford ; New York : Pergamon Press, 1978.
- xlvii, 324 p. ; 21 cm.
- UNITAR research report ; no. 22 .
- UNITAR research reports ; no. 22. .