Maiyena SM, Mat Daud ANMD, Ayop SKA. Analysis of the Effect of Porosity on the Acoustic and Elastic Properties of Materials Using Ultrasonic Immersion Pulse-Echo Technique: Sri Maiyena, Anis Nazihah Mat Daud, Shahrul Kadri Ayop. J.Fis. dan Apl. [Internet]. 2025 May 8 [cited 2026 Aug. 2];20(3). Available from: https://journal.its.ac.id/index.php/jfa/article/view/2848