T.S. · Trishna Knowledge Systems
| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| The Iit Foundation Series Chemistry Class 8 | 978-93-325-3819-1 (93-325-3819-0) | 2015 | Trishna's |
| The Iit Foundation Series Chemistry Class 9 | 978-93-325-3818-4 (93-325-3818-2) | 2015 | " |