TY  - GEN
AU  - Williams , D.S.
AU  - Shermila , Singham 
AU  - Kulararne , K.W.S
AU  - Hewage , Sujatha 
AU  - Subasinghe , Kamani
TI  - Chemistry general chemistry and inorganic chemistry part 1 block 1
U1  - 546 
PY  - 1983///
CY  - Nugegoda
PB  - Open University
KW  - Inorganic Chemistry
KW  - Chemistry
ER  -