000 00317nam a2200133 4500
020 _a9788170007517
082 _a027
_bGUR
100 _aGurdev Singh
245 _aAcademic library system and services
260 _aNew Delhi
_bEss Ess Pub
_c2015
300 _a604p
650 _aacademic library system
942 _cBK
999 _c55383
_d55383