Akhmedov Islombek, S.Kholmirzayev, Umarov Isroil, and F.Dadaxanov. “RESEARCH ON IMPROVING THE FIRE RESISTANCE OF MODIFIED SULFUR-BASED CONCRETES”. Journal of New Century Innovations, vol. 43, no. 5, Dec. 2023, pp. 559-72, https://newjournal.org/new/article/view/10465.