National Planning Institute. (2007). development of cross border trade among Nile basin countries: Ascoping study. National Planning Institute.
Chicago-viite (17. p.)National Planning Institute. Development of Cross Border Trade Among Nile Basin Countries: Ascoping Study. cairo.: National Planning Institute, 2007.
MLA-viite (9. p.)National Planning Institute. Development of Cross Border Trade Among Nile Basin Countries: Ascoping Study. National Planning Institute, 2007.
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