000 00291nam a2200121Ia 4500
008 220201s1987 xx 000 0 eng d
082 _bAGG
100 _aAggarwal, S P
245 0 _aSocial science information and documentation
260 _aNew Delhi
_c1987
300 _a244
942 _2ddc
999 _c24934
_d24934