TY  - GEN
AU  - Thuraisingham , R.A.
AU  - Abeywickrema , A.N.  
AU  - Abeywickrema , A.N.
AU  - Roberts , Godwin 
AU  -  Kularatne , K.W.S. 
AU  - Wijesekera , Tilak 
TI  - Chemistry organic chemistry part -1 block 1
U1  - 547 
PY  - 1983///
CY  - Nugegoda
PB  - Open University
KW  - Chemistry
KW  - Physical Chemistry
ER  -