Title	A Survey of Advances in Hierarchical Clustering Algorithms and Applications
Author	Amr Munshi
Citation	Vol. 22  No. 5  pp. 17-24
Keywords	Fuzzy partitioning, electric grid, photovoltaic, solar panel

Title	Fuzzy Partitioning of Photovoltaic Solar Power Patterns
Author	Amr Munshi
Citation	Vol. 22  No. 5  pp. 5-10
Keywords	Fuzzy partitioning, electric grid, photovoltaic, solar panel

Title	The Reality of the Psychological Burden of the COVID-19 Pandemic: Perspectives of Parents of Hearing-Impaired People
Author	Nawal A. Aboalola
Citation	Vol. 22  No. 3  pp. 724-730
Keywords	psychological stress, coping with stress, parents, hearing impairment, COVID-19 pandemic

Title	Ecological and Psychological Features of the Play Space Organization of Students with Using a Computer Technologies
Author	Oksana Bondar, Anna Polishchuk, Alla Tymchenko, Inna Kulish, Iryna Zabiiaka, Ganna Plakhotniuk
Citation	Vol. 22  No. 3  pp. 525-534
Keywords	ecological education, play space, high educational institution, means of computer technologies, culture of life safety.