1. Tsumori, T. (2017). Nihon no kontena kouwan seisaku (Container Port Policy in Japan-Market Change, Institutional Reform, and Interagency Relations). Sizando-shoten, Tokyo (in Japanese).
2. Kuroda, K. (2014) Nihon no Kowan Seisaku- Rekishi to Haikei- (Port Policy in Japan—History and Background), Sizando-shoten, Tokyo (in Japanese).
3. Miyamoto, S. (2015) Waga Kuni no Kowan ni okeru Koritusei no Keisoku ni kansuru Kenkyu (A Study on Measuring Efficiency in Japanese Ports), Master Dissertation for Tokyo University of Marine Science and Technology (in Japanese): http://id.nii.ac.jp/1342/00001102/
4. Coto-Millán, P., Casares-Hontañón, P., Sainz-González, R., Mateo, I., Agüeros, M., Badiola, A., Castanedo, J., & Pesquera, M. Á. (2016). Regulation, competition, crisis and technical efficiency of companies operating in Spanish ports (2002–2011). Maritime Economics & Logistics, 18, 82–294.
5. Panayides, P. M., Maxoulis, C., Wang, T. F., & Ng, K. Y. A. (2009). A critical analysis of DEA applications to seaport economic efficiency measurement. Transport Reviews, 29(2), 183–206.