000 00275nam a2200109Ia 4500
008 190719s9999 xx 000 0 und d
100 _aB N Ghosh
245 0 _aScientific method & social research
260 _aNew Delhi
_bSterling Pub
_c1984
650 _aEconomics
942 _cBK
999 _c5071
_d5071