Мунтян, O. A.; Мунтян, М. Л.; Яровенко, А. Г.(8th International Scientific and Practical Conference «Scientific Research in XXI Century», Ottawa (Canada), 2021)
Мунтян, М. Л.; Мунтян, О. А.; Яровенко, А. Г.(International Scientific and Practical Conference Current issues and prospects for the development of scientific research, 2021)