| title | ISBN-13 | year of publica- tion | other author(s) |
|---|---|---|---|
| Electrical Installations NVQ and Technical Certificate Book 1 | 978-0-435-40199-3 | 2005 | |
| Electrical Installations NVQ and Technical Certificate Book 2: Bk. 2 | 978-0-435-40200-6 | 2005 | |
| Electrical Installations NVQ and Technical Certificate Tutor Resource Disk | 978-0-435-40198-6 | 2006 | |
| Plumbing NVQ & Technical Certificate Level 2 Student Book, 2nd edition | 978-0-435-40250-1 | 2008 | John Thompson |
| Plumbing NVQ and Technical Certificate Level 2 | 978-0-435-40194-8 | 2005 | |
| Plumbing NVQ and Technical Certificate Level 2 Tutor Resource Disk | 978-0-435-40193-1 | 2006 | |
| Plumbing NVQ and Technical Certificate: Level 3 | 978-0-435-40195-5 | 2005 | |
| Plumbing NVQ and Technical Certificate Level 3 Tutor Resource Disk | 978-0-435-40196-2 | 2006 | |
Bajtlik Jan · Bejtlich Richard · Cejtlin · Danièle Cejtlin · J. Szejtli · Jadoul · Jan Bajtlik · József Szejtli · JTL Training JTL · Judal · Kejtlin R. Kirnan · Michael Bejtlich · Patrick W. Fowler, Pierre Hansen, Melvin F. Janowitz, and Fred S. Roberts Siemion Fajtlowicz · Richard Bejtlich · Stanislaw Bajtlik