Ng, S. Thomas, and Martin Skitmore. “Developing a Framework for Subcontractor Appraisal Using a Balanced Scorecard”. Journal of Civil Engineering and Management 20, no. 2 (March 10, 2014): 149-158. Accessed November 25, 2024. https://mma.vgtu.lt/index.php/JCEM/article/view/3105.