Yacob, Ridzuan, Masran Saruwono, and Zulhabri Ismail. “A Review of Leadership Qualities Among Building Refurbishment Project Managers”. International Journal of Engineering & Technology 7, no. 4.22 (November 30, 2018): 126–131. Accessed May 3, 2024. https://www.sciencepubco.com/index.php/ijet/article/view/27863.