“Characterization and Surface Activity of Soluble Sulfonated Butanone Formaldehyde Superplasticizer for Cement”. Bangladesh Journal of Scientific and Industrial Research 51, no. 2 (June 12, 2016): 155–158. Accessed June 25, 2026. https://www.banglajol.info/index.php/BJSIR/article/view/28113.