R.N. · Ron Nagasawa · Ryuhan Nishikawa
| title | media type | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|---|
| Computer Examination Questions Answered | Hardcover | 978-0-273-31495-0 (0-273-31495-5) | 1971 |
| Computer Examination Questions Answered | Paperback | 978-0-273-31552-0 (0-273-31552-8) | 1971 |
| Guide to Computer Bureau Services | Hardcover | 978-0-273-25203-0 (0-273-25203-8) | 1972 |