A. Abbas, Waleed, Iqbal N. Korkess, and Mahdi Jasim H. “Investigation of the Optimal Percentage from Polyvinyl Alcohol on Flexural Strength of Cement Mortar Composite”. International Journal of Engineering and Technology 7, no. 4.20 (November 28, 2018): 584–587. Accessed April 12, 2025. https://sciencepubco.com/index.php/IJET/article/view/26423.