Afrouz, Mohammadreza. “Experimental Investigation of the Effects of Partially Hydrolyzed Polyacrylamide (PHPA) and Xanthan on Foam Stability”. Machines Review 2, no. 1 (May 9, 2019): 1–7. Accessed February 2, 2025. https://asianonlinejournals.com./index.php/Mare/article/view/846.