Digital Repair Twins for Self-Healing Contactless Payment Gateways Using Artificial Intelligence and Machine Learning. Journal of Contemporary Science and Technology Management, [S. l.], v. 2, n. 02, p. 16–23, 2026. DOI: 10.66592/441ej279. Disponível em: https://jcstm.info/index.php/jcstm/article/view/22. Acesso em: 12 oct. 2026.