Mahmoud M Adel, Mohamed A Metwally, and Ashraf Abdel Badee Ghorab. “Effect of Spool Shape Design on Gas Turbine Engine Electro-Hydraulic Valve Performance”. International Journal of Advances in Scientific Research and Engineering (IJASRE), ISSN:2454-8006, DOI: 10.31695/IJASRE 8, no. 2 (February 13, 2022): 72–83. Accessed May 7, 2024. https://ijasre.net/index.php/ijasre/article/view/1453.