Title	Distance Learning in Higher Education Institutions in Conditions of Quarantine and Military Conflicts
Author	Olha Yuzyk, Mykola Yuzyk, Lyudmyla Bilanych, Honcharuk Vitalii, Halyna Bilanych, Fabian Myroslava
Citation	Vol. 22  No. 4  pp. 741-749
Keywords	distance learning, Ukraine, Poland, onlinesurveys, computernetworks, quarantine, armedconflict.

Title	Key Open Research Issues For Implementing Femtocell in 5G Networks
Author	Sultan Alotaibi and Saud S. Alotaibi
Citation	Vol. 22  No. 4  pp. 730-740
Keywords	5G, Femtocell, Small Cells, IoT.

Title	A Comparative Study of Single VS Cluster Verification Approaches for Crowd Management: A Pilgrimage Case Study
Author	Naeem A Nawaz
Citation	Vol. 22  No. 4  pp. 721-729
Keywords	Wireless Sensor Network, Crowd Management, Massive Crowd, Cluster member, Cluster Verification, Verification Time

Title	UnPMD: An Effective Power Saving Underloaded Physical Machine Detection Method in the Cloud Computing Environment
Author	Deafallah Alsadie
Citation	Vol. 22  No. 4  pp. 710-720
Keywords	Cloud computing; Energy efficiency; VM consolidation; Underloaded server; Utilization.