Sandhyavitri, Ari, Indrayadi Talha, Manyuk Fauzi, and Sigit Sutikno. “Managing Construction Risks of the Toll Road Project in Indonesia”. International Journal on Advanced Science, Engineering and Information Technology 7, no. 5 (October 31, 2017): 1934–1942. Accessed June 3, 2024. http://ijaseit.insightsociety.org/index.php/ijaseit/article/view/1349.