TY  - GEN
AU  - Balasubramanian, P
AU  - Beula, C Caterin
TI  - Classification theory
SN  - 9789392594243
U1  - 025.4 
PY  - 2023///
CY  - New Delhi
PB  - Ess Ess Puiblications
KW  - Library Science
KW  - Classification Theory
ER  -