000 00277nam a2200121Ia 4500
008 150227s9999 xx 000 0 und d
082 _aDAS
100 _a"Das,D K Lal"
245 _aDesign of Social Reserch
260 _bRawat Publications
300 _aDAS
938 _bCEN_1001
999 _c1640
_d1640