1. UNCTAD, Review of Maritime Transport 2019, 2019, pp. 1–132.
2. Some Observations on Port Congestion, Vessel Size and Vessel Sharing Agree- ments,2015
3. The time factor in liner shipping services;Notteboom;Maritime Econ. Logistics,2006
4. Speed optimization and bunkering in liner shipping in the presence of uncertain service times and time windows at ports;Aydin;Eu. J. Operational Res.,2016
5. ASEANLINES, Poor schedule reliability makes US import pick up scheduling impossible (8 2018). URL https://www.aseanlines.com/Show.aspx?id=4182.