| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Qsb+: Quantitative Systems for Business Plus Version 2.0 | 978-0-13-747171-3 (0-13-747171-8) | 1990 | R.S. Sullivan |
| QSOM: Quantitative Systems for Operations Management: Version 2.0 | 978-0-13-747197-3 (0-13-747197-1) | 1991 | |
L. C. · L. Chang · Y. Chang · Yi-Lu Chang · Yih-Long Chang · Ylh-Long Chang