“YO’LBOP NEFT BITUMI TARKIBIGA QO’SHILADIGAN IKKILAMCHI CHIQINDI MAHSULOTLARNING BITUMNING XOSSALARIGA TA’SIRI” (2022) Proceedings of International Educators Conference, 1(3), pp. 89–94. Available at: https://econferenceseries.com/index.php/iec/article/view/672 (Accessed: 27 October 2025).