SIAHAAN , Albert. Menelaah Kenaikan tarif PPN 11% di Indonesia. Indonesia of Journal Business Law, [S. l.], v. 2, n. 1, p. 24–28, 2023. DOI: 10.47709/ijbl.v2i1.2029. Disponível em: https://itscience-indexing.com/jurnal/index.php/ijbl/article/view/2029. Acesso em: 2 jun. 2026.