SONG, Ziqing. Financial Performance Research of Apple Inc. Based on DuPont Analysis. Financial Economics Research, [S. l.], v. 2, n. 3, p. 100–109, 2025. DOI: 10.70267/fer.250203.100109. Disponível em: http://journals.zeuspress.org/index.php/FER/article/view/354. Acesso em: 15 oct. 2025.