Some Oscillation Criteria for a Class of Nonlinear Second Order Damped Differential Equations. التربوي [انترنت]. 1 مارس، 2025 [وثق 29 مارس، 2025];(26):1175-89. موجود في: https://tarbawej.elmergib.edu.ly/index.php/tarbawe/article/view/129