SETIAWAN, D. . Prosedur Konfirmasi Piutang Usaha di PT. KDI. Matriks Jurnal Sosial dan Sains, [S. l.], v. 2, n. 1, p. 33–39, 2020. DOI: 10.59784/matriks.v2i1.59. Disponível em: https://matriks.staiku.ac.id/index.php/jmt/article/view/59. Acesso em: 7 jun. 2026.