Kammouna, Zainab M. I. “Adding Polymer to Mortar Mixture According to the Procedure Recommended by ASTM C 1439”. Nahrain University College of Engineering Journal 14, no. 1 (March 24, 2011): 13–18. Accessed December 23, 2024. https://oldjournal.eng.nahrainuniv.edu.iq/index.php/main/article/view/597.