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020 _a9789389627909
040 _coclc
082 _a664.0685
_bSUN/Q
100 _99138
_aSundhararajan, R
245 _aQuality assurance /
_cDr. R Sundhararajan
260 _aLucknow:
_bThakur Publications,
_c2021.
300 _a200 pages
942 _2ddc
_cBK
_h664.0685
_iSUN/Q
_k664.0685
_mSUN/Q