Mahdi, Shaimaa, and Zeina Abdul Redha. “The Linear and Nonlinear Electro-Mechanical Fin Actuator”. Al-Khwarizmi Engineering Journal 7, no. 4 (January 11, 2018): 88-96. Accessed November 20, 2019. http://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/82.