Abdiyev, Orifjon Kh., and Dilrabo Norkulova. “Synthesis and Properties of White Oils Based on Petroleum Sulphonic Acids As Raw Materials”. International Journal of Innovative Analyses and Emerging Technology, vol. 1, no. 5, Nov. 2021, pp. 203-6, https://oajournals.net/index.php/ijiaet/article/view/536.