Guide for the establishment and evaluation of services for selective dissemination of information
By: United Nations Educational, Scientific, and Cultural Organization.
Contributors: Unesco.
Publisher: Unesco
Published: 1980
Place of publication: Paris
Language: eng
Number of pages: 71
Subjects: Information services -- Planning.; Information services -- Evaluation.
Notes: Bibliography: p. 68-71.
"(PGI/WS/80/14) Revision of PGI-78/WS/22."
"December 1980"--Cover.
On cover: UNISIST.