00869nam a22002417a 450000500170000001000110001702000220002803500110005003700160006104000120007708200160008911000180010524500860012326000760020927000110028530000200029650000230031665000220033965000360036194200250039799900190042295201860044120170124110247.0  a851974  c00.00a9231014234  a851974  bCen Lib/Ret  aDPLbEN  a379.11bECO  aUNESCO997820  aThe economics of new educational media :bpresent status of research and trends /  aParis bUnited Educational Scientific and Culrural Organizations c1977  bParis   a200p.c22cm(Hb)  aincludes glossary   aEconomics 997821  aEconomics -- educations 997822  2ddccENh379.11mECO  c135614d135614  04104070aLbLd2015-10-07eCen Lib/Refg0.00l0o379.11 ECOp851974r2015-10-07 00:00:00t1v0.00w2015-10-07yENzWritten off on approval by DLB (By Circulation); dtd 15-06-2023