TY  - BOOK
AU  - Comaromi, John P.
AU  - Satija, M.P.
TI  - Exercises in the 20th edition of dewey decimal classification
SN  - 8120711521
U1  - 025.431 
PY  - 1990///
CY  - New Delhi
PB  - Sterling Publishers Pvt Ltd
KW  - Library Science
ER  -