000 00313 a2200121 4500
020 _a9789392594502
084 _2cc
_a2:73
100 _aGurdev Singh
245 _aUser Studies :
_ba tool for measuring library performance
260 _bESS ESS Publications
_c2022
_aNew Delhi
300 _a316p.
942 _cGEN
999 _c663528
_d663528