MUKUMOV, A. (2026) “STUDIES ON IMPROVING PHYSICAL AND CHEMICAL PROPERTIES OF PORTLAND CEMENT USING ACTIVATED MICRO SILICA”, «ACTA NUUz», 3(3.1.1), pp. 462–464. Available at: http://journals.nuu.uz/index.php/actanuuz/article/view/14559 (Accessed: 6 September 2026).