| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Blue Wall of Silence: Perceptions of the Influence of Training on Law Enforcement Suicide | 978-1-4583-0745-3 (1-4583-0745-X) | 2013 |
| Organizational Management and Entrepreneurship | 978-1-68285-584-3 (1-68285-584-8) | 2019 |
Elle Olivia Johnson · O Johnson · Olaf Jansen · Olaf Jensen · Olaf Johannson · Olav Jansen · Olive Johnson · Olof Johannesson · Olof Johansson · Olubi Johnson