Ibragimov Otabek Ergashboy o'g'li. “GАZLАMА ISHLАB CHIQАRISHDАGI TАBIIY XОMАSHYО MАNBАLАRINING TАSNIFI”. Journal of new century innovations 13, no. 1 (September 15, 2022): 87–89. Accessed June 14, 2025. https://newjournal.org/new/article/view/236.