ID:DA06605503
IFDO
I.F.D.O
International Federation of Data Organizations
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Unesco 1983 Rapports et documents de sciences sociales no. 50
Available at 1 libraries
International Federation of Data Organizations/Unesco Invitational Seminar, Waterloo, Ontario, November 1979
Unesco , Unipub, distributor] 1983 Reports and papers in the social sciences no. 50
: pbk
Available at 2 libraries