000 004420000a22001570004500
008 140223b1977 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aT:3 L7
082 _aT:3 L7
100 _aCronbach Lee J
245 _aAptitudes and instructional methods: Handbook for research on interactions.
260 _aNew York
_bIrvington
_c1977
650 _aEducation
650 _aTeaching Technique
700 _aSnow Richard E.
999 _c104148
_d104148