Pratondo W, Wahyu, Budi Witjaksana, and Hanie Teki Tjendani. “ANALYSIS OF CONTRACT CHANGE ORDER (CCO) COSTS IN BUILDING CONSTRUCTION PROJECTS”. INTERNATIONAL JOURNAL ON ADVANCED TECHNOLOGY, ENGINEERING, AND INFORMATION SYSTEM 3, no. 1 (January 19, 2024): 141–154. Accessed July 2, 2024. https://ojs.transpublika.com/index.php/IJATEIS/article/view/991.