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003 BD-SaJUCL
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040 _aBD-SaJUCL
_cBD-SaJUCL
_dBD-SaJUCL
082 _a311.21
_bc663s 3rd ed.
100 1 _aCOCHRAN, William G.
_96630
245 1 0 _aSampling techniques 3rd ed/
_bWilliam G. Cochran
250 _a3rd ed
260 _aNew York,
_bWiley
_c1977
300 _axvi, 428p.
509 _a.._Document_13.pdf_page_30_gemini.json
942 _2ddc
_cBK
_n1
999 _c30387
_d30386