Astana, I.N.Y., Sudarsana, D.K., Frederika, A. and Sanjaya, P.A. 2025. Development of contingency cost analysis model in construction project with cost-time-quality risk integration. Eastern-European Journal of Enterprise Technologies. 3, 3 (135) (Jun. 2025), 49–56. DOI:https://doi.org/10.15587/1729-4061.2025.330351.