000 00393nam a2200169Ia 4500
008 160330s1990 xxu||||| |||| 00| 0 eng d
020 _a
041 _aEnglish
082 _a020
_bKUM
100 _aKumar P.S.
245 _aPractical Guide To Ddc.20
250 _a1st
260 _aDatta Book Centre Delhi
_c1990
300 _a246p.
_bPaper
650 _aLibrary Science
906 _a9534
999 _c106028
_d106028