Ibragimov Otabek Ergashboy o'g'li. “GАZLАMА ISHLАB CHIQАRISHDАGI TАBIIY XОMАSHYО MАNBАLАRINING TАSNIFI”. Journal of New Century Innovations, vol. 13, no. 1, Sept. 2022, pp. 87-89, https://newjournal.org/new/article/view/236.