Abdullahi A. Umar
- (2021): A Scoping Study on Driver’s Perspective of Distracting Factors. Dans: Infrastructures, v. 6, n. 10 (octobre 2021).
- (2021): Assessment of Traffic Sign Comprehension Levels among Drivers in the Emirate of Abu Dhabi, UAE. Dans: Infrastructures, v. 6, n. 9 (septembre 2021).
- (2021): Characteristics of Crashes Caused by Distracted Driving on Rural and Suburban Roadways in Jordan. Dans: Infrastructures, v. 6, n. 8 (août 2021).