TY  - BOOK
AU  - Cooray, P.G. :
TI  - Guide to scientific and technical writing
SN  - 9789559543404 
U1  - 001.42 
PY  - 1992///
CY  - Hindagala, Sri Lanka : 
PB  - P.G. Cooray, 
KW  - Technical writing
N1  - Included Index
ER  -