TY  - GEN
AU  - Comaromi ,  Johan P.
AU  - Satija, M.P.
TI  - Exercises in the 20th Edition of the Dewey Decimal Classification
SN  - 8120711521
U1  - 025.431 
PY  - 1990///
CY  - New Delhi
PB  - Sterling
KW  - DDC
KW  - LIBRARY SCIENCE
KW  - LIBRARY CLASSIFICATION
KW  - GENERAL CLASSIFICATION SYSTEMS
ER  -