Abdullahi Ahmed Umar
- Do regional characteristics influence PPP contract governance skills requirements?. In: Engineering, Construction and Architectural Management. :
- Malaysian regulators' ranking of PPP contract governance skills. In: Built Environment Project and Asset Management, v. 11, n. 1 (Oktober 2020). (2020):
- Exploratory factor analysis of skills requirement for PPP contract governance. In: Built Environment Project and Asset Management, v. 9, n. 2 (Juni 2019). (2019):