Title	SAUDI ARABIAN UNDERGRADUATE STUDENTS’ PERCEPTIONS OF E-LEARNING QUALITY DURING COVID19 PANDEMIC
Author	Edrees A. Alkinani
Citation	Vol. 21  No. 2  pp. 66-76
Keywords	Online learning; e-learning; perception; students, Saudi Arabia, covid19.

Title	Acceptance and Effectiveness of Distance Learning in Public Education in Saudi Arabia During Covid19 Pandemic: Perspectives from Students, Teachers and Parents
Author	Edrees A. Alkinani
Citation	Vol. 21  No. 2  pp. 54-65
Keywords	E-learning, acceptance, effectiveness, attitudes, students, teachers, parents, Covid19, Saudi Arabia

Title	Information Technologies In Teaching: The Basis Of Students' Knowledge
Author	Nataliia Morska, Olena Fedorenko, Olha Davydova, Vitaly Andreev, Galina Bohatyryova, Nataliia Shcherbakova
Citation	Vol. 21  No. 2  pp. 44-53
Keywords	Information Technologies, Science Preparation, Higher Education Institution Training, Principle of Clarity, Discipline, Pedagogy

Title	Technology Of Application Of Multifrequency Signals To Create An Electromagnetic Field
Author	Oksana Strembitska, Roman Tymoshenko, Mykhailo Mozhaiev, Pavlo Buslov, Ganna Kashyna, Roman V. Baranenko, Oleksii Makiievskyi
Citation	Vol. 21  No. 2  pp. 40-43
Keywords	radio electronic means, electromagnetic radiation, ultrashort pulse duration, space-phase-frequency.