Optimizing Multi-Channel AI Advertising Budget Allocation and ROI Prediction in Cross-Border E-Commerce: A Machine Learning Approach for North American and Southeast Asian Markets. International Journal of Computer Science and Engineering, [S. l.], v. 1, n. 04, p. 59–66, 2026. DOI: 10.63944/b3m3hr67. Disponível em: https://www.iakjournals.org/index.php/iakj/article/view/45. Acesso em: 3 jun. 2026.