Survey of the information service needs of UNESCO member states summary.

ग्रंथसूची विवरण
निगमित लेखक:	United Nations Educational, Scientific and Cultural Organization UNESCO
स्वरूप:	पुस्तक
भाषा:	English
प्रकाशित:	[Paris] Clearing House Co-ordinating Unit, Unesco 1991
विषय:	Information services.