TY  - GEN
AU  - Selvaratnam ,  M.
AU  - Fernando , J.N.O. 
AU  - Wickramaarachchi , D.C.
TI  - Chemistry block 1 part 1: general and physical chemistry
U1  - 540 
PY  - 1986///
CY  - Nugegoda
PB  - Open University
KW  - CHEMISTRY
ER  -