1. Laboratoire des Méthodes de Conception de Systèmes (LMCS), Ecole Nationale Supérieure d’Informatique (ESI), BP 68M, 16270 Oued Smar, Alger, Algeria, --- Select a Country ---
2. Computer Science Department, ISAMM, Institute of Manouba, 2010 Manouba, Tunisia, --- Select a Country ---