9802
Sehgal, R.L.
Number building in dewey decimal classification universal decimal classification & colon classification
New Delhi
Ess Publications
c1993
vii, 260, 78p
R.L. Sehgal
، Classification, Dewey decimal
، Classification, Decimal
، ClassiFication, Colon
Z
696
.
D7
S45
1993
AU
TI
CL
