M.-N. AL-Nesearawi, “Using The Ultrasonic Waves For Studying Thermal And Elastic Properties as a Function of Porosity in Sintered ceramic”, IHJPAS, vol. 21, no. 4, pp. 45–55, Sep. 2017, Accessed: May 01, 2025. [Online]. Available: https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/1429