Layaa, J.; Dullaert, W. (2014). Measuring and analysing terminal capacity in East Africa: The case of the seaport of Dar es Salaam. Maritime Economics & Logistics 16(2): 141-164. https://dx.doi.org/10.1057/mel.2013.23, meer
Zamparini, L.; Layaa, J.; Dullaert, W. (2011). Monetary values of freight transport quality attributes: a sample of Tanzanian firms. J. Transp. Geogr. 19(6): 1222-1234. http://dx.doi.org/10.1016/j.jtrangeo.2011.01.002, meer
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