LIMPIANCHOB, C. . Point of sale system programming for small retail business. Modern Management Journal, [S. l.], v. 21, n. 1, p. 68–77, 2022. Disponível em: https://so04.tci-thaijo.org/index.php/stou-sms-pr/article/view/254202. Acesso em: 29 apr. 2024.