TY  - GEN
AU  - De Zoysa , A.S.G.
AU  - Kurera , W.M.V.P. 
AU  - Prasaddeva , D.G.A.
TI  - Mathematics for chemistry students level 3
U1  - 510 
PY  - 1988///
CY  - Nugegoda
PB  - The Open University of Sri Lanka
KW  - Mathematics
ER  -