Aboukhisheem K. The Variational Iteration Method: A Unified Framework for Nonlinear Differential Equations with Modern Enhancements and Applications. JAZU [انترنت]. 31 ديسمبر، 2025 [وثق 23 مارس، 2026];(56):32-47. موجود في: https://azzujournal.com/index.php/azujournal/article/view/639