“Analysis of Magnetorheological Normally Close Directional Control Valve: Magnetorheological Normally Close Directional Control Valve”.
Al-Khwarizmi Engineering Journal 17, no. 4 (December 29, 2021): 12–22. Accessed March 28, 2025.
https://alkej.uobaghdad.edu.iq/index.php/alkej/article/view/750.