Title	The Challenges and Benefits of Blockchain in E-government
Author	Mashael Khayyat , Fatima Alhemdi and Renad Alnunu
Citation	Vol. 20  No. 4  pp. 15-20
Keywords	Blockchain, e-Government, Internet, technology.

Title	Designing a Question Bank Management System to Support Outcome-Based Education Approach
Author	Azida Zainol
Citation	Vol. 20  No. 4  pp. 21-33
Keywords	Outcome-based Education, Question bank management system, Bloom Taxonomy, Concept of map, Object oriented software development

Title	A Novel Approach to the Iterative Method WCIP for Fast and Accurate Analysis of the Quasi- Periodic Lumped Circuits
Author	Mohamed Karim AZIZI Abdullah Alhumaidi Alotaibi
Citation	Vol. 20  No. 4  pp. 34-42
Keywords	WCIP method, quasi-periodic lumped circuits, auxiliary sources, simplified /extended equivalent model, S parameters, electric field distribution, directional coupler.

Title	Analysis of Social Network Comments Using Feature Selection and Random Forest Algorithms
Author	Hamid H. Hussien , Mubarak H.Elhafian and Ahmed Hamza Osman
Citation	Vol. 20  No. 4  pp. 43-50
Keywords