Someone forwarded me this article-–Dr. Luka Biong Deng’s doctoral dissertation–which I found interesting and informative; hope you may enjoy it...
PaanLuel Wël Media Ltd – South Sudan
"We the willing, led by the unknowing, are doing the impossible for the ungrateful. We have done so much, with so little, for so long, we are now qualified to do anything, with nothing" By Konstantin Josef Jireček, a Czech historian, diplomat and slavist.