Sultanov FR, Tileuberdi Y, Ongarbayev YK, Mansurov ZA, Khasseinov KA, Tuleutaev BK, et al. Study of Asphaltene Structure Precipitated from Oil Sands. Eurasian Chem.-Technol. J. [Internet]. 2013 Jan. 15 [cited 2024 May 3];15(1):77-81. Available from: https://ect-journal.kz/index.php/ectj/article/view/322