Гринишин, О. Б., Мохаммад, Ш. А. А.-А., & Хлибишин, Ю. Я. (2013). Features and methods of heavy sour crude oil refining. Eastern-European Journal of Enterprise Technologies, 5(6(65), 27–31. https://doi.org/10.15587/1729-4061.2013.18194