Rattanapituk, Pornkanok, Salisa Chaiyaput, Jiratchaya Ayawanna, Namthip Kingnoi, Lindung Zalbuin Mase, and Thanadol Kongsomboon. “Comparative Study on the Enhancement of Soil Cement Strength Using Bentonite and Polyurethane Foam”. Engineering and Technology Horizons 43, no. 3 (September 3, 2026): 430302. accessed September 4, 2026. https://ph01.tci-thaijo.org/index.php/lej/article/view/265982.