J.K · J. Knudsen · Joyce Knudsen PhD · Joyce, Ph.D. Knudsen
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| From Head to Soul for Women | 978-0-9701744-0-6 (0-9701744-0-3) | 2001 | |
| From Head to Soul, International | 978-962-8870-69-1 (962-8870-69-6) | 2005 | Desmond Chan |
| Successful Failures | 978-0-9701744-3-7 (0-9701744-3-8) | 2002 | |