SULAIMAN, Agus. Pengembangan Sistem Informasi Public E-Marketplace pada PT XYZ. Ultima InfoSys : Jurnal Ilmu Sistem Informasi, [S. l.], v. 6, n. 2, p. 92–101, 2015. DOI: 10.31937/si.v6i2.225. Disponível em: https://ejournals.umn.ac.id/index.php/SI/article/view/225. Acesso em: 12 aug. 2025.