2026-10-06T14:41:09Z https://jurnal.rizayev.uz/oai XXI Century: Issues of Science and Education https://jurnal.rizayev.uz/oai 2.0 info@sharqjurnali.uz 2018-01-01 no YYYY-MM-DD oaijurnal.rizayev.uz:oai:jurnal.rizayev.uz:article/1