TY  - BOOK
AU  - Kumar, Krishan
TI  - Theory of classification
SN  - 9780706986389
U1  - 025.4 
PY  - 2020///
CY  - New Delhi
PB  - Vikas publishing house
KW  - Library classification
KW  - Library and information science
KW  - Classification theory
N1  - Includes index
ER  -