Science and Innovation, 2021, No 4 http://dspace.nbuv.gov.ua:80/handle/123456789/184943 Wed, 10 Jun 2026 03:24:17 GMT 2026-06-10T03:24:17Z Science and Innovation, 2021, No 4 http://dspace.nbuv.gov.ua:80/bitstream/id/553345/ http://dspace.nbuv.gov.ua:80/handle/123456789/184943