H. Haido, J., and A. A. Abdul-Razzak. “Forced Vibration Analysis Of Rectagular Plates Usinig Higher Order Finite Layer Method”. Al-Rafidain Engineering Journal (AREJ) 16, no. 5 (December 28, 2008): 43–56. Accessed September 7, 2025. https://jamh.uomosul.edu.iq/index.php/arej/article/view/30810.