| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Learning Curve Equation ... | 978-1-146-99107-0 (1-146-99107-X) | 2010 |
| The Learning Curve Equation: A Dissertation Submitted to the Faculty, of the Graduate School of Arts and Literature in Candidacy for the Degree of Doctor of Philosophy | 978-1-330-59535-0 (1-330-59535-1) | 2017 |