Astana INY, Sudarsana DK, Frederika A, Sanjaya PA. Development of contingency cost analysis model in construction project with cost-time-quality risk integration. EEJET [Internet]. 2025Jun.30 [cited 2026Feb.7];3(3 (135):49-56. Available from: https://journals.uran.ua/eejet/article/view/330351