Title	Development of Computer-based Remote Technologies and Course Control Systems for Autonomous Surface Ships
Author	Oleksiy Melnyk, Yana Volianska, Oleg Onishchenko, Svitlana Onyshchenko, Olha Kononova, Nadiia Vasalatii
Citation	Vol. 22  No. 9  pp. 183-188
Keywords	Autonomous ship, remote control technologies, ship navigation, course steadiness.

Title	Alliance of the Baltic States in the System of Collective Security
Author	Kaspars Kikste, Antonina Djakona
Citation	Vol. 22  No. 9  pp. 189-194
Keywords	a regional security, Baltic-Black Sea Union, security system, prerequisites for the formation

Title	A Novel Approach to COVID-19 Diagnosis Based on Mel Spectrogram Features and Artificial Intelligence Techniques
Author	Aseel Alfaidi, Abdullah Alshahrani, and Maha Aljohani
Citation	Vol. 22  No. 9  pp. 195-207
Keywords	Artificial Intelligence, COVID-19 diagnosis, Speech signals, Mel spectrogram features, Transfer learning

Title	Gamification in Educational Institutions: Concepts and Difficulties
Author	Sami Ben Shamlan Bakhit Al-Salami
Citation	Vol. 22  No. 9  pp. 208-216
Keywords	gamification, gaming, game-based learning, educational techniques