Abdulbasit A. A. Abdulqadir. “Observer-Based Control Design for DC Servo Motors: Pole Placement and State Estimation for Enhanced Time Response and Stability Margins”. The Open European Journal of Engineering and Scientific Research (OEJESR), vol. 1, no. 2, Apr. 2025, pp. 01-13, https://easdjournals.com/index.php/oejesr/article/view/28.