N K ยท N. Kadhila
| title | ISBN-13 | year of publication |
|---|---|---|
| NSSC Biology Module 1 Student's Book: Module 2 | 978-0-521-68055-4 | 2005 |
| NSSC Biology Module 2 Student's Book: Module 1 | 978-0-521-68054-7 | 2005 |
| NSSC Biology Module 3 | 978-0-521-68056-1 | 2005 |
| NSSC Biology Student's Answer Book | 978-0-521-68057-8 | 2005 |
| NSSC Biology Teacher's Guide | 978-0-521-68058-5 | 2005 |