ILLAHI, R. R.; MARZUKI, M.; HUDHA, L. S. Solution of The Duffing Equation Using Exponential Time Differencing Method. EIGEN MATHEMATICS JOURNAL, [S. l.], v. 7, n. 1, p. 16–18, 2024. DOI: 10.29303/emj.v7i1.195. Disponível em: https://eigen.unram.ac.id/index.php/eigen/article/view/195. Acesso em: 19 apr. 2024.