NGUYEN, T. T. P. .; NINH, N. V. . From Lump-Sum to E-Taxation with a Behavioral Analysis of Payment Method Choices Among Informal Retailers. Journal of ICT Standardization, [S. l.], v. 14, n. 03, p. 391–420, 2026. DOI: 10.13052/jicts2245-800X.1435. Disponível em: https://journals.riverpublishers.com/index.php/JICTS/article/view/30789. Acesso em: 17 aug. 2026.