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Abdullah Manna S, سعد, Hasan Juma N, نورجان. Stability Analysis of Steady State Solutions of Sine–Gordon Equation. RJCSM [Internet]. 2025 Jun. 25 [cited 2025 Aug. 5];4(2):11-29. Available from: https://rjps.uomosul.edu.iq/index.php/csmj/article/view/19639