Fuadaturrahmah, F., and M. A. Manurung. “Improved Supervision of Loading and Unloading of Oil Fuel to Minimize Shrinkage of Loads at MT. Nirbita”. Journal of Management Science (JMAS), Vol. 3, no. 3, July 2020, pp. 74-80, doi:10.35335/jmas.v3i3.59.