A Survey on Product of Smart Service System . Jurnal Sistem Cerdas, [S. l.], v. 2, n. 3, p. 173–185, 2019. DOI: 10.37396/jsc.v2i3.50. Disponível em: https://apic.id/jurnal/index.php/jsc/article/view/50. Acesso em: 9 nov. 2026.