SETYABUDHI, A. L. Analysis System of the Effect of Tax Rates on the Number of Goods Sent at the Post Office. Engineering and Technology International Journal, [S. l.], v. 4, n. 02, p. 85–93, 2022. DOI: 10.55642/eatij.v4i02.187. Disponível em: https://mand-ycmm.org/index.php/eatij/article/view/187. Acesso em: 5 aug. 2026.