TY  - GEN
AU  - Ramasinghe , W.
TI  - ඊළඟ පදය
SN  - 9789551668005
U1  - 501.1 
PY  - 2007///
CY  - Piliyandala
PB  - Bon and Bickey Publications
KW  - PHILOSOPHY AND THEORY - MATHEMATICS
ER  -