000 00296nam a2200121Ia 4500
999 _c6100
_d6100
020 _a8188836869
100 _aP. V. Subba Rao
245 0 _aLibrary and Information Technology
260 _anew Delhi
_bSonali Publications
_c2017
300 _a232
650 _aLibrary and Information
942 _cBK