000 00441n a2200169 a 4500
000 B B
001 031917
005 20220203172449.0
020 _a81-7000-022-X
082 _a020
_bN87 GEN
100 _aSharma, Jagdish Saran
245 _aReference Service and Sources of Information
260 _aNew Delhi
_bEss Ess Publications
_c1987
300 _aviii,288p.
690 _aLibrary Science,General Studies
908 _aG
999 _c31904
_d31904