000 00309 a2200121 4500
082 _a025.1 H Sin.N
100 _qSingh,R.C.
245 _aPustkalaya prashashan: Sidhant avam vyavhar
260 _aNew delhi
_bShri publishing House
_c1990
300 _b351p.
650 _2Library science
942 _2ddc
_cBK
999 _c299901
_d299901