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100 _aMort, Paul R.
245 4 _aThe individual pupil: In the management of class and school
260 _aNew York
260 _bAmerican book company
260 _c1928
650 _aEducation
650 _aSchool education
856 _uhttp://203.200.22.249:8080/jspui/handle/123456789/3858
999 _c125880
_d125880