000 00408cam a22001337a 4500
008 180718b1976 xxu||||| |||| 00| 0 eng d
082 _aI5513 Ag38
100 _aAggarwal, Y.P.
245 _aSampling methods for social investigation
_cby Y.P. Aggarwal
260 _aAmbala Cantt
_bBharat Vidar Vihar
_c1976
300 _a95p.
650 _aSocial sciences - Research methods
650 _aSampling (Statistics)
999 _c340753
_d340753