00634nam a2200145Ia 450000500170000000800410001702000180005804100080007608200140008411000390009824501100013726000570024730000100030465001740031420191121145825.0190710s9999    xx            000 0 und d  a0-86184-135-2  aeng  a371.39445  aCouncil for Educational Technology 0aTowards more effective learning - 1973 - 83 b: a review of central development in educational technology  aLondonb: Council for Educational Technology, c1984  a68p.   aEducational technology - United kingdom a| Education development a| Aim and achievement a| Case studies a| Programme activities a| Council for education technology