000 00303nam a2200121Ia 4500
005 20260205052457.0
008 260111s9999||||xx |||||||||||||| ||und||
082 _a020 Ag15l
100 _aAgrawal,S P
245 0 _aLibrary and information science.
260 _aNew Nelhi
_bConcept
_c1997
942 _cBK
999 _c115796
_d115796