000 004330000a22001570004500
008 140223b1979 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aT:3 L9
082 _aT:3 L9
100 _aHarris N D C
245 _aPreparing educational materials.
260 _aLondon
_bCroom Helm
_c1979
440 _aNew Patterns of Learning Serie,s ed by P J Hills, 2.
650 _aEducation
650 _aTeaching Technique
999 _c104151
_d104151