000 00314nam a2200133Ia 4500
008 220613s9999||||xx |||||||||||||| ||und||
100 _aChester W Harris
245 0 _aEncyclopedia Of Educational Resarch
250 _a3rd(1960)
260 _bTHE MACMILLAN CO.
300 _a1564
650 _aSPM
942 _cPARAC
999 _c2214
_d2214