Sabirov , F. O., and S. S. o‘g‘li Ne’matov. “MAHALLIY XOMASHYOLAR ASOSIDA OLINGAN OG‘IR BETONNING EKSPLUATATSION XOSSALARINI KIMYOVIY QO‘SHIMCHALAR YORDAMIDA OSHIRISH”. INTERNATIONAL СONFERENCE ON LEARNING AND TEACHING, vol. 1, no. 10, June 2022, pp. 105-8, https://researchedu.org/index.php/iclt/article/view/1776.