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The impact of the extension of Jonglei Canal on the area from Kongor to Bor
El Sammani, Mohamed Osman, (1977)
A bibliography on the Mahaweli Ganga Development Project
Wanasundera, Leelangi, (1982)
Impact of support to agriculture and forestry development project on maize productivity in South Sudan
Tongun, Nixon James, (2017)