000 00293nam a2200109Ia 4500
008 221130s2007 xx 000 0 und d
041 _aeng
082 _a158
100 _aKerlinger, F. N.
_91239225
245 _aFoundations of Behavioral Research
260 _aDelhi
_bSurjeet Publications
_c2007
999 _c809459
_d809459