1. Online Publication. Maritime transport of goods-quarterly data. Retrieved online at: https://ec.europa.eu/eurostat/statistics-explained/index.php?title=Maritime_transport_of_goods_-_quarterly_data.
2. Online Publication. Maritime freight and vessels statistics. Retrieved online at: https://ec.europa.eu/eurostat/statistics-explained/index.php?title=Maritime_ports_freight_and_passenger_statistics&oldid=218671#Volume_of_containers_handled_in_European_ports
3. Siswanto, N. & Wahyuninngsih, A.T. 2021, “Discrete event simulation approach for container terminal loading and unloading productivity evaluation", Proceedings of the International Conference on Industrial Engineering and Operations Management, pp. 1181.
4. Aqsha, B.D., Siswanto, N., Suparno & Tama, M.I. 2020, “A System Performance Analysis of Ship to Shore Operation Considering Crane Availabilities using Simulation Approach", IOP Conference Series: Materials Science and Engineering.
5. “Quay cranes and yard trucks scheduling problem at container terminals”;Behjat;International Journal of Engineering Transactions C: Aspects,2020