Oscillation Theory of $h$-Fractional Difference Equations. Journal of Nonlinear Modeling and Analysis, [S. l.], v. 3, n. 1, p. 105–113, 2024. DOI: 10.12150/jnma.2021.105. Disponível em: https://global-sci.com/index.php/jnma/article/view/13588. Acesso em: 5 dec. 2025.