Zulqarnain Hakim Abd Jalal, Muhammad, Wan Laailatul Hanim Mat Desa, Mohd Kamal Mohd Nawawi, and zulqarnainhakim@gmail.com Khalid. 2018. “Discrete-Event Simulation of Road Traffic Congestion to Support Green Supply Chain”. International Journal of Engineering & Technology 7 (3.30): 146-49. https://doi.org/10.14419/ijet.v7i3.30.19078.