Title	Information Security and Its Aapplications on the Portal of the Deanship of Library Affairs at Northern Border University
Author	Dr. Yaser Mohammad Mohammad Al Eawy
Citation	Vol. 21  No. 12  pp. 183-188
Keywords	electronic security; cyber security; security threats; Deanship of Library Affairs; Northern Border University.

Title	A Parallel Genetic Algorithm for Solving Deadlock Problem within Multi-Unit Resources Systems
Author	Rabie Ahmed, Taoufik Saidani, and Malek Rababa
Citation	Vol. 21  No. 12  pp. 175-182
Keywords	.Deadlock Multi-instances, Genetic Algorithm, Banker Algorithm, Parallel Algorithms.

Title	Evaluating Online Courses in light of Quality Matters (QM) Standards at Umm Al-Qura University
Author	Ali Suwayid Alqarni†
Citation	Vol. 21  No. 12  pp. 165-174
Keywords	.electronic evaluation, online courses, Quality Matters (QM)

Title	Accuracy of Data-Model Fit Using Growing Levels of Invariance Models
Author	Deyab A. Almaleki
Citation	Vol. 21  No. 12  pp. 157-164
Keywords	Model- accuracy; Factorial-invariance; Level of measurement invariance; Factorial invariance