Lee, Chijoo, Chiheyon Lee, and Eul-Bum Lee. “Analysis of the Causes and Level of Maintenance for Enterprise Systems in Construction Companies”. Journal of Civil Engineering and Management 24, no. 6 (October 17, 2018): 499-507. Accessed April 20, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/5635.