TY  - BOOK
AU  - Dhyani, Pushpa
TI  - Working with Dewey Decimal Classification: (editions 19 and 20)
SN  - 0-7069-7623-1
U1  - 025.431 21st
PY  - 1994///
CY  - New Delhi
PB  - Vikas Publishing house
KW  - Classification, Dewey Decimal; Classification-Book
ER  -