TY  - BOOK
AU  - Parsons, Richard
TI  - GCSE OCR Computer science : for the grade 9-1 course exam practice workbook 
SN  - 978 1 7829 4603 8
U1  - 004 PAR 
PY  - 2016///
CY  - [Newcastle] 
PB  -  Coordination Group Publications
KW  - COMPUTER SCIENCE EXAMINATIONS STUDY GUIDES
ER  -