Shahbaz, Muhammad Saeed, and Fazal Ali Shaikh. “Impact of Lean Management Practices on Operational Performance: An Empirical Investigation from Construction Supply Chain of Pakistan”. International Journal of Sustainable Construction Engineering and Technology, vol. 10, no. 2, Jan. 2020, pp. 85-92, https://penerbit.uthm.edu.my/ojs/index.php/IJSCET/article/view/3314.