000 00286nam a2200097Ia 4500
008 130123s9999 xx 000 0 und d
082 _a GOO
100 _aGood, Corter. V.
245 _aIntroduction to Educational Research . 2 nd. ed.
260 _aNew York
_bAppleton Century - Crofts.
_c1963
999 _c83717
_d83717