@article{ijtech-4834, title={The Effects of Modified Chitosan on the Physicomechanical Properties of Mortar}, author={El-Sayed Negim,Lyazzat Bekbayeva,Rimma Niyazbekova ,Zhanar Kaliyeva,Gulzhakhan Yeligbayeva,J. Khatib}, volume={13}, number={1}, year={2022}, month={Jan}, pages={125-135}, DOI={https://doi.org/10.14716/ijtech.v13i1.4834}, journal={International Journal of Technology}, ISSN={2087-2100}}