Ortig‘ali Yaxshibek o‘g‘li, U. and G'olibjon Zohidjon o'g'li, M. 2023. NEFTDAN TEXNIK MOYLAR ISHLAB CHIQARISHDA GUDRONNI DEASFALTIZASTIYALASH TEXNOLOGIK TIZIMI. INNOVATIVE DEVELOPMENTS AND RESEARCH IN EDUCATION. 2, 13 (Jan. 2023), 238–240.