Shunichi Ohmori และผู้แต่งคนอื่นๆ. (2021) Optimal berth reservation problem under flexible time slot system. <i>Science, Engineering and Health Studies</i>, <i>15</i>, 21040007.Shunichi Ohmori และผู้แต่งคนอื่นๆ. "Optimal berth reservation problem under flexible time slot system". Science, Engineering and Health Studies 15 (2021):21040007.Shunichi Ohmori และผู้แต่งคนอื่นๆ. Optimal berth reservation problem under flexible time slot system. Silpakorn University Research Innovation and Creativity Administration Office:ม.ป.ท. 2021.