Yeheyis, Muluken, Bahareh Reza, Kasun Hewage, Janaka Y. Ruwanpura, and Rehan Sadiq. “Evaluating Motivation of Construction Workers: A Comparison of Fuzzy Rule-Based Model With the Traditional Expectancy Theory”. Journal of Civil Engineering and Management 22, no. 7 (July 12, 2016): 862-873. Accessed April 29, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/1883.