2026-10-23T17:01:43Z https://journal.bstu.uz/oai/ Buxoro davlat texnika universiteti https://journal.bstu.uz/oai/ 2.0 fantt_jurnal@umail.uz 2026-10-21T10:07:09Z persistent YYYY-MM-DDThh:mm:ssZ oai journal.bstu.uz : oai:journal.bstu.uz:article/1