Rathina K. “Ultrasonic Velocity and Compressibility Variation in Inorganic Sulphates With Aqueous Polymer Solutions”. International Journal of Research in Chemistry and Environment (IJRCE) 5, no. 4 (September 30, 2015): 80–90. Accessed April 7, 2025. https://ijrce.org/index.php/ijrce/article/view/337.