OCR GCSE Computer Science (9-1) J277 2020 Paperback Course Text Book S Robson

OCR GCSE (9-1) Computer Science OCR J277 Computer Science, 2020 Edition, by S Robson & PM Heathcote. Paperback, PG Online, Tolpuddle, 2020. Oxford Cambridge and RSA endorsed textbook. 154 pages with index.