| well-formed | ||
| no hyphens provided | ||
| ISBN-10 | 984-464-172-1 | 9844641721 |
| ISBN-13 | 978-984-464-172-3 | 9789844641723 |
| Agency | Bangladesh | |
| Publisher | Ankur Prakashani | |
| well-formed | ||
| valid hyphenation | ||
| ISBN-10 | 984-464-172-1 | 9844641721 |
| ISBN-13 | 978-984-464-172-3 | 9789844641723 |
| Agency | Bangladesh | |
| Publisher | Ankur Prakashani | |