OKTAVIANTY, O. Implementing Sets to Solve Economic Example Cases Through Mathematic Approach. Journal of Finance and Business Digital, [S. l.], v. 2, n. 2, p. 163–180, 2023. DOI: 10.55927/jfbd.v2i2.4874. Disponível em: https://journal.formosapublisher.org/index.php/jfbd/article/view/4874. Acesso em: 13 oct. 2025.