A Conceptual Framework for Mobile Augmented-Reality Storytelling to Support Collaborative Language Learning in Vocational Education and Training. - Paraskevioti, Eirini Maria; Christopoulos, Athanasios; Mystakidis, Stylianos; Laakso, Mikko-Jussi; Salakoski, Tapio (Multimodal Technologies & Interaction, 2026)