M. Zulqarnain Hakim Abd Jalal, W. Laailatul Hanim Mat Desa, M. Kamal Mohd Nawawi, and zulqarnainhakim@gmail.com Khalid, “Discrete-Event Simulation of Road Traffic Congestion to Support Green Supply Chain”, IJET, vol. 7, no. 3.30, pp. 146–149, Aug. 2018, doi: 10.14419/ijet.v7i3.30.19078.