000 003860000a22001570004500
008 140223b1964 xxu||||| |||| 00| 0 eng d
041 _aEng
080 _aS:621 K4-;2
082 _aS:621 K4-;2
100 _aAppley M H
700 _aCofer C N
245 _aMotivation:Theory and research
260 _aNew York
_bwiley
_c1964
650 _aConation
650 _aEducation Psychology
999 _c66833
_d66833