Sakalauskė, Agnė, and Virginija Leonavičiūtė. “Strategic Analysis of Duolingo Language Learning Platform”. Mokslas – Lietuvos ateitis / Science – Future of Lithuania 14 (December 16, 2022). Accessed November 15, 2024. https://mla.vgtu.lt/index.php/MLA/article/view/17731.