N. Rashidah Mohamad, M. Hafidz Fazli Md Fauadi, F. Azni Jafa, A. Zaki Mohamed Noor, and M. Hisham Nordin, “Simulation-Based Multi-Objective Optimization for Distributed Material Transportation System”, IJET, vol. 7, no. 3.20, pp. 92–94, Sep. 2018, doi: 10.14419/ijet.v7i3.34.18987.