"Hoshi Tagawa,Tomoya Kawasaki,Shinya HANAOKA","The evaluation of port alliance based on complex network in graph analysis","International Association of Maritime Economists (IAME) 2021 Conference",,,,,,2021,Nov.
"Tagawa, H.,Kawasaki, T.,Hanaoka, S","Conditions influencing the choice between direct shipment and transshipment in maritime shipping network",,"Journal of Shipping and Trade",,"Vol. 6","No. 4",,2021,May
"Tagawa, H.,Kawasaki, T.,Hanaoka, S.","Exploring the factors influencing the cost-effective design of hub-and-spoke and point-to-point networks in maritime transport using a bi-level optimization model",,"The Asian Journal of Shipping and Logistics",,"Vol. 37","No. 2","pp. 192-203",2021,Apr.
"Kawasaki, T.,Hanaoka, S.,Saito, Y.,Tagawa, H.","Port choice problem in a linear city: Application to Manila and Batangas ports in the Philippines",,"Maritime Transport Research",,"Vol. 2","  100010",,2021,Jan.