| Colleague | Title | Publisher | Pages | City | Country | Date |
|---|---|---|---|---|---|---|
| road safety evaluation measurment by malmquist productivity index | 3rd national conference on roadway, railway and arial accidents | - | 2014 | |||
| ranking of effective component on road safety by PCA | 2nd national conference on roadway , railway & aerial accedents | - | 2011 |