ET. AL., A. . Effectivity of Force Letter in Optimizing Tax Revenue. Turkish Journal of Computer and Mathematics Education (TURCOMAT), [S. l.], v. 12, n. 8, p. 1682–1690, 2021. Disponível em: https://textitlejournal.com/turcomat.org/index.php/turkbilmat/article/view/3234. Acesso em: 11 sep. 2025.