| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 964-90574-6-3 | 9649057463 |
| ISBN-13 | 978-964-90574-6-0 | 9789649057460 |
| Agency | Iran | |
| Publisher | Jar | |
| not well-formed | |||||||||
| valid hyphenation | |||||||||
| The check-digit is not correct. If the rest of the ISBN is correct (and it may not be), the check digit should be: 3. | |||||||||
| Correcting check-digit gives: 964-90574-6-3 which appears to be valid. The governing agency is: Iran. | |||||||||