000 00244 a2200097 4500
001 37964
100 _aSajjad R
245 _aA treatise on information and library science
260 _aLahore
_bPunjab University
_c1990
090 _c24143
_d24143
942 _aNUST-CAE
_cM
_c15718
999 _c273037
_d273037