000 00343nam a2200133Ia 4500
005 20260205044452.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a311.21 Ag38S
100 _aAggarwal Y P
245 0 _aSampling methods for social investigation
260 _aAmbala
_bBharat Vidya Vihar
_c1976
300 _a95p.
942 _cBK
999 _c57387
_d57387