Mariem Y. William*, E. G. Shehata, A. A. Hassan & Khalil Ibrahim. 2023. “The Analysis of the Concise Semi-Active Ankle Prosthetic by Using the ANSYS Program”. Journal of Optoelectronics Laser 42 (1):12-23. http://gdzjg.org/index.php/JOL/article/view/1434.