abu salih, m. h., & rajjal, y. (2007). Strategic planning of Sudan: The missing dimension. [s.n.].
Chicago-čujuhus (17. p.)abu salih, mohammed hussein, juo yasser rajjal. Strategic Planning of Sudan: The Missing Dimension. Khartoum: [s.n.], 2007.
MLA-čujuhus (9. p.)abu salih, mohammed hussein, juo yasser rajjal. Strategic Planning of Sudan: The Missing Dimension. [s.n.], 2007.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.