Ortig‘ali Yaxshibek o‘g‘li, Uskanbekov, and Muhammadaliyev G'olibjon Zohidjon o'g'li. 2023. “NEFTDAN TEXNIK MOYLAR ISHLAB CHIQARISHDA GUDRONNI DEASFALTIZASTIYALASH TEXNOLOGIK TIZIMI”. INNOVATIVE DEVELOPMENTS AND RESEARCH IN EDUCATION 2 (13):238-40. https://interonconf.org/index.php/idre/article/view/1696.