UPMANYU, A., M. DHIMAN, D. GUPTA, M. KAKKAR, K. SINGH, and D. SINGH. “Frequency Dependence Studies of Acoustical and Thermo-Dynamical Parameters of The Binary Mixtures of Isopropyl Sulphide And Acetic Acid”. Romanian Journal of Acoustics and Vibration, Vol. 17, no. 2, Dec. 2020, pp. 128-34, http://rjav.sra.ro/index.php/rjav/article/view/136.