JD, Ean Mikale,. The Economics of Human-Gated Intelligence: Empirical Validation of Professional AI Service Models. Engineering And Technology Journal, [S. l.], v. 11, n. 04, p. 9559–9567, 2026. DOI: 10.47191/etj/v11i04.29. Disponível em: https://everant.org/index.php/etj/article/view/2739. Acesso em: 28 sep. 2026.