TY  - BOOK
AU  - Alahakoon , Uditha
TI  - ඩිවි දශම වර්ගීකරණය
SN  - 9789558383773
U1  - 025.431 
PY  - 2012///
CY  - Colombo
PB  - National library and Docummentation
KW  - LIBRARY AND INFROMATION SCIENCES
KW  - PUBLIC LIBRARY
ER  -