CALVO, M.; GABATBAT, G.; GARCIA, J.; OBESO, L.; PANER, R.; SISON, MBA, Franklin A. An Office Procedure Study of the Customer Service Department and Operation Department in ABC Company. Ascendens Asia Singapore – Bestlink College of the Philippines Journal of Multidisciplinary Research, [S. l.], v. 1, n. 1, 2019. Disponível em: https://ojs.aaresearchindex.com/index.php/aasgbcpjmra/article/view/1852. Acesso em: 4 apr. 2025.