TY - JOUR T1 - The Effects of Modified Chitosan on the Physicomechanical Properties of Mortar AU - El-Sayed Negim,Lyazzat Bekbayeva,Rimma Niyazbekova ,Zhanar Kaliyeva,Gulzhakhan Yeligbayeva,J. Khatib JO - International Journal of Technology VL - 13 IS - 1 SP - 291 EP - 319 PY - 2022 DA - 2022/01/20 SN - 2087-2100 DO - https://doi.org/10.14716/ijtech.v13i1.4834 UR - https://ijtech.eng.ui.ac.id/article/view/4834