“CRITICAL MOTIVATIONAL FACTORS FOR ENHANCING EMPLOYEE PERFORMANCE IN CONSTRUCTION FIRMS BASED ON CORRELATION AND PRINCIPAL COMPONENT ANALYSES”, NIJOTECH, vol. 39, no. 3, pp. 647–653, Jun. 2020, Accessed: Apr. 19, 2026. [Online]. Available: https://mail.nijotech.com/index.php/nijotech/article/view/2345