Title	Distinction between HAPS and LEO Satellite Communications under Dust and Sand Storms Levels and other Attenuations
Author	Kamal Harb
Citation	Vol. 22  No. 3  pp. 382-388
Keywords	Dust and Sand (DU&SA), Gaseous Attenuations, Satellite Communications Networks, Signal to Noise Ratio (SNR), and Skillful Decision and Control System (SD&CS).

Title	Information Retrieval Systems: Between Morphological Analyzers and Systemming Algorithms
Author	Afaf Abdel Rhman Mohamed, Chafika Ouni, Sarah Mustafa Eljack, and Fayez Alfayez
Citation	Vol. 22  No. 3  pp. 375-381
Keywords	Arabic language, Information retrieval systems, Morphological analyzer, Stemming algorithms.

Title	Blockchain-based Data Storage Security Architecture for e-Health Care Systems: A Case of Government of Tanzania Hospital Management Information System
Author	Richard Mnyawi, Cleverence Kombe, Anael Sam, and Devotha Nyambo
Citation	Vol. 22  No. 3  pp. 364-374
Keywords	Blockchain; Hyperledger Fabric; data storage security architecture; confidentiality; integrity.

Title	Supervisory control for Energy Management of Islanded Hybrid AC/DC Microgrid
Author	Henda Ben Mansour , Lotfi Chaarabi, Khaled Jelassi, Josep M. Guerrero
Citation	Vol. 22  No. 3  pp. 355-363
Keywords	Islanded Hybrid AC/DC Microgrid; Supervisory Controller; Energy Management System; Photovoltaic array; Wind Turbine; Battery. .