Al-Garalleh B, Akour A, Jaradat E, Jaradat O. DEMONSTRATING NONLINEAR OSCILLATIONS OF CHARGED PARTICLE BY THE HOMOTOPY PERTURBATION METHOD. Eurasian phys. tech. j. [Internet]. 2025 Jun. 30 [cited 2026 Mar. 15];22(2 (52):147-54. Available from: https://phtj.buketov.edu.kz/EPTJ/article/view/1207