Z. T. M. Noori and F. M. Noori, “PIEZOELECTRIC COEFFICIENT PROPERTIES OF A FLEXIBLE PZT/UPE/C COMPOSITE”, Al-Nahrain J. Sci., vol. 13, no. 4, pp. 105–109, Dec. 2010, Accessed: May 22, 2026. [Online]. Available: https://anjs.edu.iq/index.php/anjs/article/view/987