Challal, A., & Trikouat, M. (2013). Identification and Risk Management In The Expenditure Process: Risks Leading to Deadline Slippage and Costs, and Building Projects. Gadjah Mada International Journal of Business, 15(1), 1 - 26. Retrieved from https://jurnal.ugm.ac.id/v3/gamaijb/article/view/15375