| The route to effective public speaking | Pelanduk Publications (M) Sdn Bhd | Tiada | 2003 | 967-978-850-4 |
| The Kotal Route Sketches | | Tiada | 2011 | 978-967-5692-02-4 |
| Total Quality Management: the route to improving performance | Butterworth Heinemann | Tiada | 2007 | 0-7506-0993-1 |
| Tracing Marco Polo's China route | | Tiada | 2004 | 978-7-5085-0602-9 |