e-Infrastructure and e-Services for Developing Countries Third International ICST Conference, AFRICOMM 2011, Zanzibar, Tanzania, November 23-24, 2011, Revised Selected Papers - Popescu-Zeletin, Radu; Jonas, Karl; Rai, Idris A.; Glitho, Roch; Villafiorita, Adolfo (Springer Berlin Heidelberg, 2012)