Analysis of the influence of marl raw materials on the properties of portland cement Sanat K. Duschanova, Islom R. Boyjanov, Kholilla S. Kholmuratov, Erkinbay D. Ismailov, Murat A. Bekiev, Rahmatjon I. Ismoilov and Munisbek M. Akhmedov EPJ Web Conf., 321 (2025) 02013 Published online: 10 March 2025 DOI: 10.1051/epjconf/202532102013