Guwanwiduliya Madya Wivarana is a Sinhala-language book by Dr. Sena Nanayakkara. Published by Godage International Publishers. 120 pages.
| ISBN | 9789553036629 |
| Language | Sinhala |
| Publisher | Godage International Publishers |
| Author | Dr. Sena Nanayakkara |
| Pages | 120 |
