فهرس المقالات Order reduction حرية الوصول المقاله صفحة الملخص نص كامل 1 - Order Reduction, $\mu$-Symmetry and $\mu$-Conservation Law of The Generalized mKdV Equation with Constant-coefficients and Variable-coefficients kh. Goodarzi 10.30495/ijim.2022.64041.1556 حرية الوصول المقاله صفحة الملخص نص كامل 2 - λ-Symmetry method and the Prelle-Singer method for third-order differential equations Khodayar Goodarzi حرية الوصول المقاله صفحة الملخص نص كامل 3 - Order Reduction and μ-Conservation Law for the Non-Isospectral KdV Type Equation a with Variable-Coefficients Khodayar Goodarzi حرية الوصول المقاله صفحة الملخص نص كامل 4 - An Improved Gap Metric and Stability Margin-Based Analysis to Control Heating, Ventilating, and Air Conditioning Systems Based on Multiple-Model and Model Order Reduction Pouya Rikhtehgar Mohammad Haeri 10.30495/ijsee.2023.1993140.1279