D-Stability Analysis of Structured Matrices Appearing in First and Second Order Economy Models. - Rehman, Mutti-Ur; Alshabhi, Salah H.; Mohamed, OM Kalthum S. K.; Mohammed, Mustafa M.; Bashir, Runda A. A.; Magzoub, Mona; Hamed, Sakeena E. M.; Abdalrahman, Nhla A.; Mustafa, Arafa O.; Bakery, Awad A. (European Journal of Pure & Applied Mathematics, 2025)