TY  - GEN
AU  - Lawton, Tina
TI  - Level 1 certificate for IT Users: IT Principles 
SN  - 043546261X
AV  - QA75.5 LAW 2002 
PY  - 2002///
CY  - London
PB  - Heinemann.
KW  - Information technology
N1  - lncludes index
ER  -