Actual problems of modern science: Abstracts of XXХІV International scientific-practical conference (Saint-Petersburg - Astana - Kyiv - Vienna, September 28, 2018)
Actual problems of modern science: Abstracts of XXХІ International scientific-practical conference (Moscow-Astana-Kharkov-Vienna, June 29, 2018)
Actual problems of modern science: Abstracts of XXХІ International scientific-practical conference (Moscow-Astana-Kharkov-Vienna, June 29, 2018)
Actual problems of modern science: Abstracts of XXХІ International scientific-practical conference (Moscow-Astana-Kharkov-Vienna, June 29, 2018)
Actual problems of modern science: Abstracts of XXХІ International scientific-practical conference (Moscow-Astana-Kharkov-Vienna, June 29, 2018)
Actual problems of modern science: Abstracts of ХХVІІ International scientific-practical conference (Saint-Petersburg - Astana - Kiev – Vienna, March 29, 2018)