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 & Technology 7, no. 4.20 (November 28, 2018): 584–587. Accessed May 4, 2024. https://sciencepubco.com/index.php/ijet/article/view/26423.