Хaydarov Abduхalil Mutalib ogli and Teshabayeva Nodira Djurayevna 2020. Influence Of Surface Additives On Strength Indicators Of Cement Systems. The American Journal of Applied Sciences. 2, 12 (Dec. 2020), 81–85. DOI:https://doi.org/10.37547/tajas/Volume02Issue12-13.