000 00299pam a2200133 a 4500
020 _c
041 _aeng
082 _bCOC
100 _aCochrab, Willian.G.
245 _aSampling Techniques
_hTextual Documents
260 _aNew Delhi
_bWiley Publication
_c1977.
300 _a428p.
930 _a17062
999 _c93962
_d93962