TY  - GEN
AU  - Premachandra, I.M.
TI  - A simplified guide to lotus 123
SN  - 9559054007
U1  - 005.133 
PY  - 1988///
CY  - Dehiwela
PB  - PIM
KW  - Computer programming
KW  - Programming languages
KW  - Lotus
ER  -