A comprehensive plan for economic development in South Sudan was developed by the Joint Assessment Mission (JAM), a team consisting of experts from the World Bank and United Nations and representatives from the National Congress Party (the former military regime of northern Sudan) and the Sudan people's Liberation Movement (the former rebel movement of South Sudan).
Their analyses and recommendations are essential, if lengthy, reading, and are available at this UN site.
The Sudans: Which Way? ACAS Bulletin 86. November 2011. Collection of seven essays by top scholars offering different perspectives on possible paths for the peoples of the Sudan. Contextualizes with respect to issues of citizenship, race, democracy, gender, international relations, and peace.