SAFIRA, A. K.; SA’ADAH, A.; SULVIANURI, R.; AGNESIA, Y. Analysis of Nonlinear Oscillation Models with External Forcing Using the Multiple Scales Method. Rangkiang Mathematics Journal, [S. l.], v. 5, n. 1, p. 79–90, 2026. DOI: 10.24036/rmj.v5i1.138. Disponível em: https://math.ppj.unp.ac.id/index.php/RMJ/article/view/138. Acesso em: 13 jun. 2026.