A new subclass of bi-univalent functions of complex order defined by the symmetric q-derivative and subordination. Gulf Journal of Mathematics, [S. l.], v. 19, n. 2, p. 111–120, 2025. DOI: 10.56947/gjom.v19i2.2649. Disponível em: https://gjom.org/index.php/gjom/article/view/2649. Acesso em: 22 sep. 2026.