HERN, A. L. P.; JANTENG, A. .; OMAR, R. Subclasses of Analytic Functions with Negative Coefficients Involving q-Derivative Operator. Science and Technology Indonesia, [S. l.], v. 7, n. 3, p. 327–332, 2022. DOI: 10.26554/sti.2022.7.3.327-332. Disponível em: https://sciencetechindonesia.com/index.php/jsti/article/view/495. Acesso em: 9 may. 2026.