Analysis And Design Of Sales Information System Using Personal Extreme Programming (PXP) At Sumber Prima Mitra. SIMAK, [S. l.], v. 22, n. 02, p. 89–99, 2024. DOI: 10.35129/simak.v22i02.565. Disponível em: https://ojs.feb.uajm.ac.id/index.php/simak/article/view/565. Acesso em: 7 oct. 2025.