Rashed Abdullah Abdulsalam. " Finding Separation in Composite by Vibration Test". Bani Waleed University Journal of Humanities and Applied Sciences 8, no. 1 (مارس 4, 2023): 812–830. تاريخ الوصول أكتوبر 10, 2025. https://jhas-bwu.com/index.php/bwjhas/article/view/505.