Information systems for government and business trens, ıssues, challenges - Nagoya: United Nations, 1988 - 585 s. : şkl., tbl. ; 24 sm. ISBN: 88K4906236006 Subjects--Topical Terms: Education Systems - GovernmentEğitim Sistemleri - Devlet LC Class. No.: / UNI 1988 Dewey Class. No.: 650.403 / INF 1988