ENTISAR EL-YAGUBI. A Study on Subclasses of Harmonic Univalent Functions. African Journal of Advanced Pure and Applied Sciences , [S. l.], v. 5, n. 1, p. 16–23, 2026. Disponível em: https://www.aaasjournals.com/index.php/ajapas/article/view/1804. Acesso em: 31 jan. 2026.