Processing of phosphorites and additives with researching their thermodynamical propertiesMaftuna Akhtamova, Uktam Temirov, Navruzbek Khurramov, Azim Shukurov and Bekhzod KarshievE3S Web Conf., 434 (2023) 03016DOI: https://doi.org/10.1051/e3sconf/202343403016