Teshabaev З., Djalalova Ш., Gulomov Ш., Nasullaev Х., Ergashev М. and Rakhimjonov Б. (2021) “RESEARCH INTO CHANGES IN CONCENTRATION OF IMPURITY METALS IN THE COMPOSITION OF SEMI-PRODUCTS DERIVED FROM PROCESSING OF ‘AVERAGED’ OIL”, SCIENCE AND INNOVATIVE DEVELOPMENT, 4(4), pp. 103–112. Available at: https://ilm-fan-journal.csti.uz/index.php/journal/article/view/84 (Accessed: 24 June 2025).