TY  - BOOK
AU  - Pushpa ,Dhyani
TI  - DDC classifying with dewey decimal classification editions 19th and 20th) / 
SN  - 81-7000-326-1
U1  - 025.431 
PY  - 2006///
CY  - New Delhi : 
PB  - Ess Ess , 
KW  - DDC
ER  -