| year of publication | ISBN | author(s) | title |
|---|---|---|---|
| 2018 | 978-0-9906838-2-7 | Mary McShane Vaughn | Lean Six Sigma Course Companion: Green Belt Level |
| '' | 978-0-9906838-3-4 | Ph.D., Mary McShane-Vaughn | Lean Six Sigma Online Course Companion: Green Belt Level |
| '' | 978-0-9906838-4-1 | Mary McShane-Vaughn | Lean Six Sigma Self-Paced Online Course Companion: Green Belt Level |
| '' | 978-0-9906838-5-8 | '' | Lean Six Sigma Self-Paced Online Course Companion: Green Belt for Healthcare |