TY - JOUR T1 - A multimodal social semiotic rethinking of agency in AI-assisted designs for language learning and assessment: Examples from Duolingo JO - Texto Livre A1 - Diamantopoulou, Sophia A1 - Ørevik, Sigrid SN - 1983-3652 UL - 10.1590/1983-3652.2026.64269 VL - 19 Y1 - 2026 PB - Brazil ER -