Title	Impact of Modern Information and Communication Technologies on Economic Security in the Context of COVID-19
Author	Yaroslav Kotlyarevskyy, Sergii Petrukha, Khrystyna Mandzinovska, Bohdan Brynzei, Natalia Rozumovych
Citation	Vol. 22  No. 1  pp. 199-205
Keywords	information and communication technologies, information security, global economic system, economic security, COVID-19.

Title	Internet of Things Fundamentals, Architectures, Challenges and Solutions: A Survey
Author	Maha Abdelhaq
Citation	Vol. 22  No. 1  pp. 189-198
Keywords	Internet of Things (IoT); IoT fundamentals; IoT architectures; IoT challenges and solutions.

Title	Implementing Open Science Technology in Educational Activities of the UNESCO Centre, “Junior Academy of Science of Ukraine”
Author	Halyna Kuzmenko, Ivan Bratus, Oksana Kovalova, Maksym Halchenko
Citation	Vol. 22  No. 1  pp. 183-188
Keywords	open access; scholarly communication; UNESCO Centre, “Junior Academy of Sciences of Ukraine; gifted students; Open Journal Systems.

Title	Simulation Study for a UV Water Disinfection Unit Powered by a Photovoltaic System
Author	Sa?d Riahi, Abdelkader Mami, and Viorel M?nzu
Citation	Vol. 22  No. 1  pp. 175-182
Keywords	dynamic model, converters, photovoltaic system, simulation, UV disinfection system.