Rahimov, B. R., and B. T. Qandiyev. “Propan-Butan Aralashmasini Ajratib Olish Texnologiyasi Va Parametrlar Tahlili”. Science and Education, vol. 4, no. 2, Mar. 2023, pp. 698-04, https://openscience.uz/index.php/sciedu/article/view/5100.