DAMASCO JR., Loreto B.; LACSON, Noel Raymund F.; INTONG, Roger T. Safeguarding Transactional Data: A Comprehensive Investigation of VPN Integration in Point-of-Sale Systems for Enhanced Security and Connectivity. Eximia, [S. l.], v. 12, n. 1, p. 570–589, 2023. DOI: 10.47577/eximia.v12i1.405. Disponível em: https://www.eximiajournal.techniumscience.pluscommunication.eu/index.php/eximia/article/view/405. Acesso em: 8 jun. 2026.