RASHIDI, Farzad. Four classical methods in solving inequalities. Eximia, [S. l.], v. 3, n. 1, p. 195–201, 2022. Disponível em: https://www.eximiajournal.techniumscience.pluscommunication.eu/index.php/eximia/article/view/94. Acesso em: 8 jun. 2026.