TY - JOUR T1 - Exploring learner prompting and AI feedback quality in L2 Portuguese writing JO - Texto Livre A1 - You, Mu A1 - Zhang, Jing A1 - Lu, Chunhui A1 - Alves, Ana Cristina Ferreira de Almeida Rodrigues A1 - Zuo, Jiaxu SN - 1983-3652 UL - 10.1590/1983-3652.2026.63188 VL - 19 Y1 - 2026 PB - Brasil ER -