000 01076cam a2200289 a 4500
001 3677023
005 20130515014159.0
008 771107m19771982fr b i000 0 eng
010 _a 77557780
020 _a9231014234 (pbk. : v. 1)
020 _z9231016938 (pbk. : v. 2)
040 _aDLC
_cDLC
_dDLC
050 0 0 _aLB1028.3
_b.E27
082 0 0 _219
245 0 4 _aThe Economics of new educational media.
260 _aParis :
_bUnesco,
_c1977-1982.
300 _a3 v. ;
_c23 cm.
440 0 _aEducational methods and techniques ;
_v1
_97456
500 _a"Prepared with the assistance of the International Council for Educational Media."
504 _aIncludes bibliographies.
505 0 _av. 1. Present status of research and trends -- v. 2. Cost and effectiveness -- v. 3. Cost and effectiveness overview and synthesis.
650 0 _aEducational technology.
_96065
710 2 _aUnesco.
_91040
710 2 _aInternational Council for Educational Media.
_97457
906 _a7
_bcbc
_corignew
_d2
_encip
_f19
_gy-gencatlg
942 _2lcc
_cBK
_hLB1028.3
999 _c15397
_d15397