000 00686cam a2200205 a 4500
005 20181210002837.0
008 820930s1982 enk 001 0 eng d
020 _a0333316908
040 _aBNB
_beng
_cBNB
_dBD-DhBPA
082 _a371.3033
_bWAE 1982
100 1 _aWagner, Leslie,
_d1943-
_921439
245 1 4 _aThe economics of educational media /
_cLeslie Wagner.
260 _aLondon :
_bMacmillan,
_c1982.
300 _ax, 162 p. ;
_c23cm.
500 _aTeaching aids: Audiovisual materials. Economic aspects (BNB/PRECIS)
504 _aBibliography: p152-157. - Includes index.
590 _amizan
650 0 _aAudio-visual education
_xEconomic aspects.
_948743
942 _2ddc
_cBK
999 _c16656
_d16656