TY  - GEN
AU  - Thuraisingham , R.A.
AU  - Wijesekara ,T.  
AU  - Abeywickrama , A.N.
TI  - Chemistry organic chemistry   part 1 
U1  - 547 
PY  - 1983///
CY  - Nugegoda
PB  - Open University
KW  - Physical Chemistry
KW  -  Chemistry
ER  -