R. C. · Ralph Chromik · Ralph Czarnecki
| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Business Systems Design and Development | Paperback | 978-0-13-880824-2 | 1990 |
| Business Systems Design and Development | Hardcover | 978-0-13-880832-7 | 1990 |
| Systems Analysis for Profitable Business Applications | " | 978-0-13-881319-2 | 1989 |
| Systems analysis for profitable business applications | Paperback | 978-0-13-881327-7 | 1989 |