Lee, Chijoo, and Jongsung Won. “Analysis of Construction Productivity Based on Construction Duration Per Floor and Per Gross Area, With Identification of Influential Factors”. Journal of Civil Engineering and Management 27, no. 3 (March 22, 2021): 203-216. Accessed March 28, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/14514.