Economics of new educational media. V3 Cost and effectiveness overview and synthesis
Eicher Jean-Claude and others
Economics of new educational media. V3 Cost and effectiveness overview and synthesis - 1981 - 149p. cm.
923101997x
23515
Textual
EDUCATION
T0aD65,8(B), M2.3
Economics of new educational media. V3 Cost and effectiveness overview and synthesis - 1981 - 149p. cm.
923101997x
23515
Textual
EDUCATION
T0aD65,8(B), M2.3
