1. University of Dar es Salaam,Department of Computer Science and Engineering,Dar es Salaam,Tanzania,P.O Box 33335
2. University of Oslo,HISP Centre, Gaustadalléen 30,Oslo,Norway,0373
3. HISP Rwanda, KG 6 Av, Plot No. 49,Kigali,Rwanda
4. HISP Tanzania,No 22 Mazinde Street, Mikocheni B,Dar es Salaam,Tanzania,P. O Box 31775