Title	A User-friendly Excel Database Management Toolkit to Model and Optimize an Arbitrary System
Author	Soha Al-Refai
Citation	Vol. 16  No. 5  pp. 63-66
Keywords	Database, Management, Simulation, System, Model, Schedule

Title	An Approach to Evaluate Software Usability of E-Communication Application
Author	Hind Al-mayyan, Soha Al-Refai
Citation	Vol. 25  No. 3  pp. 183-187
Keywords	Evaluate software usability, ㄸ-communication application. communicational environment.