I found an independent study about the Kribi Port and its economic impacts on Cameroon. It is a rather log PDF but may provide interesting reading during the dull moments.
Vision 2035 and the Kribi Deep Seaport: An analysis of the Economic Impacts for Cameroon" (2013), Independent Study Project (ISP) Collection. Paper 1499. 4-1-2013.
http://digitalcollections.sit.edu/cgi/viewcontent.cgi?article=2513&context=isp_collection