A. Abbas, Waleed, Iqbal N. Korkess, and Mahdi Jasim H. 2018. “Investigation of the Optimal Percentage from Polyvinyl Alcohol on Flexural Strength of Cement Mortar Composite”. International Journal of Engineering & Technology 7 (4.20): 584-87. https://doi.org/10.14419/ijet.v7i4.20.26423.