TY  - BOOK
AU  - Watson, David
AU  - Williams, Helen
TI  - Cambridge IGCSE -  Computer Science
SN  - 978 1471809309
U1  - 004 
PY  - 2015///
CY  - London
PB  - Holder Education
KW  - Computer science
N1  - Section 1 - Theory of computer science
Section 2 - Practical problem-solving and programming
ER  -