000 00271nam a2200109Ia 4500
100 _aEdwards, Allen L.
942 _cBK
654 _a
245 _aExperimental design in psychological research
260 _aNew York
_bHolt, Rinehart and Winston
_c1960
082 _a150.72
999 _c359223
_d359223
041 _aeng