| Titel | Art | ISBN-13 | Erscheinungsjahr |
|---|---|---|---|
| Leadership and Organizational Outcomes: Meta-Analysis of Empirical Studies | Taschenbuch | 978-3-319-36617-3 | 2016 |
| Leadership and Organizational Outcomes: Meta-Analysis of Empirical Studies | Gebunden | 978-3-319-14907-3 | 2015 |
| The Factors Effecting Student Achievement: Meta-Analysis of Empirical Studies | Taschenbuch | 978-3-319-85821-0 | 2018 |
| The Factors Effecting Student Achievement: Meta-Analysis of Empirical Studies | Gebunden | 978-3-319-56082-3 | 2017 |