00775nam a2200253 a 4500 73896 BD-RjUL 20211209082447.0 170614s1980 enk b 000 0 eng d 0850382750 (BD-RjUL)74114 OKS OKS EQO BD-RjUL eng eng 23 371.33 NAN 1980 National Audio-Visual Aids Centre. 218863 NAVAC audio visual handbook / National Audio-Visual Aids Centre. London : Kogan Page, 1980 207 p. : ill. ; 30 cm Includes index Bibliography: p. 192-205 Audio-visual equipment Directories 218861 Audio-visual materials Directories 218862 ddc BK 73896 73896 0 0 ddc 0 1 NFIC RUCL RUCL Reading 1991-10-14 Britain 0 371.33 NAN 1980 2017-06-14 00:00:00 C-1 2017-06-14 BK