Teshabaev З.; Djalalova Ш.; Gulomov Ш.; Nasullaev Х.; Ergashev М.; Rakhimjonov Б. RESEARCH INTO CHANGES IN CONCENTRATION OF IMPURITY METALS IN THE COMPOSITION OF SEMI-PRODUCTS DERIVED FROM PROCESSING OF “AVERAGED” OIL. SCIENCE AND INNOVATIVE DEVELOPMENT, [S. l.], v. 4, n. 4, p. 103–112, 2021. Disponível em: https://ilm-fan-journal.csti.uz/index.php/journal/article/view/84. Acesso em: 24 jun. 2025.