000 00430nam a22001817a 4500
003 OSt
005 20210915095321.0
008 210915b |||||||| |||| 00| 0 eng d
040 _cHAWASSA UNIVERSITY
050 _a370.15/SKI
082 _24th
_a370.15/SKI
100 _aSKINNER E. CHARLES
_93804
245 _aEducational Psychology
260 _bNew York
_c1959
300 _ax/155
504 _aIndex
942 _2ddc
_cBOOKS
_n0
999 _c4006
_d4006