%0 Journal Article %A Nwokedi, Theophilus Chinyerem %A Emenike, Gladys Chineze %T Sustainability Planning and Bench-marking of Post Concession Performance of Nigerian Seaports: The Case of Onne Seaport. %D 2018 %J JEMS Maritime Sci %P 181-197 %V 6 %N 3 %R 10.5505/jems.2018.95914 %U https://dx.doi.org/10.5505/jems.2018.95914