Choi, Younguk, Chan Young Park, Changjun Lee, Sungmin Yun, and Seung Heon Han. “Conceptual Cost Estimation Framework for Modular Projects: A Case Study on Petrochemical Plant Construction”. Journal of Civil Engineering and Management 28, no. 2 (February 21, 2022): 150–165. Accessed May 3, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/16234.