Tlemisov , Z. A., A. M. Matyakupov, K. S. qizi Ismaylova, and N. K. Srimbetov. “CALCULATION OF LIGHTWEIGHT CONCRETE COMPOSITION”. RESEARCH AND EDUCATION, vol. 2, no. 1, Jan. 2023, pp. 68-70, https://researchedu.org/index.php/re/article/view/1226.