Gulsanam Ruzimurodovna Tursunova, Farrukh Bakhtiyarovich Atabaev, Azamat Shamuratovich Khadjiev and Mirrakhmat Yuldashevich Gulyamov 2021. Definition Of Puzzolanic Properties Active Mineral Additives In Portlandcement. The American Journal of Applied Sciences. 3, 3 (Mar. 2021), 7–12. DOI:https://doi.org/10.37547/tajas/Volume03Issue03-02.