Kazaz, Aynur, Ekrem Manisali, and Serdar Ulubeyli. “Effect of Basic Motivational Factors on Construction Workforce Productivity in Turkey”. Journal of Civil Engineering and Management 14, no. 2 (June 30, 2008): 95-106. Accessed May 7, 2024. https://journals.vilniustech.lt/index.php/JCEM/article/view/6824.