TY  - BOOK
AU  - LANGFIELD,SYLVIA & DUDDELL,DAVE
TI  - COMPUTER SCIENCE FOR CAMBRIDGE INTERNATIONAL AS & A LEVEL COURSEBOOK - SECOND EDITION
SN  - 9 781108733755
U1  - 004 LAN 
PY  - 2019///
PB  - CAMBRIDGE UNIVERSITY PRESS
KW  - COMPUTER
ER  -