000 00274nam a2200109Ia 4500
008 240421s9999 xx 000 0 und d
100 _aKerllinger, Fred N.
245 0 _aFoundations Of Behavioural Research
260 _aDelhi
_bSurjeet
_c2010
300 _a741p.
942 _cBK
999 _c12002
_d12002