Ulubeyli, Serdar, and Aynur Kazaz. “A Multiple Criteria decision‐making Approach to the Selection of Concrete Pumps”. Journal of Civil Engineering and Management 15, no. 4 (December 7, 2009): 369-376. Accessed December 28, 2024. https://ijspm.vgtu.lt/index.php/JCEM/article/view/6449.