Science and Global Studies: Abstracts of reports of the VІІ International Scientific Conference (Prague, Czech Republic, April 15, 2021)
Actual problems of modern science: Abstracts of XXХVІ International scientific-practical conference (Saint-Petersburg - Astana - Kyiv - Vienna, November 29, 2018)
When copying materials reference to the site is required. It`s protected by copyright. Plagiarism is prosecuted by law.