Ali, Sadaqat, Shafiq Haider, Masood Ahmad, Rosmiwati Mokhtar, and Khurram Saleem. 2025. “Structure Retaining Model Reduction of Unstable Discrete Time Second-Orderly Structured Systems”. Technical Journal 29 (04), 1-9. https://tj.uettaxila.edu.pk/index.php/technical-journal/article/view/1746.