000 00470nam a2200157Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
040 _aNITIL
_cNITIL
082 _221st
_a370.15
_bS628E
100 _aSkinner, Charles E (Ed.)
245 0 _aEducational psychology
_cCharles E Skinner
250 _a3rd
260 _aLondon
_bStaples Press
_c1952
300 _aviii, 791p.
650 _aEduactional psychology; Ability grouping in education; Human behavior
942 _cBKS
999 _c30030
_d30030