TY  - BOOK
AU  - Wickramasinghe, M.G.W.W.W.M.C.B.
TI  - Sir John Kotelawala defence university 
SN  - 9789550301172
U1  - 378.055 
PY  - 2015///
CY  - Sir John Kotelawala defence university 
PB  - Rathmalana 
KW  - National Colleges And Universities
ER  -