Koutsombogera, Maria, et Evangelos Kapros. « Speaking Skills Training: A Use Case in VET and Adult Learning Environments ». Calitatea Vieții 36, no. 1 (mars 25, 2025): 49–69. Consulté le novembre 5, 2026. https://revistacalitateavietii.ro/journal/article/view/2025-1-03.