Jing Liang, Kanchaya Chaivirutnukul, & Nan Zhao. (2023). WHY ARE PROACTIVE EMPLOYEES ALWAYS CREATIVE? A PERSPECTIVE FROM THE DELAY OF GRATIFICATION. The Journal of Modern Project Management, 11(2), 254–269. Retrieved from https://journalmodernpm.com/manuscript/index.php/jmpm/article/view/681