Tri Andayani, Zainudin, Ninik MMulyani. (2026). The Effectiveness Of Duolingo Application On Vocabulary Mastery In English Language Learning Of Grade 10 Students At SmkAl-Kautsar Sriwijaya . Educational Journal and Innovation Ash-Shiddiqiyah, 2(1), 73–79. Retrieved from https://journal.iainasiq.ac.id/index.php/Ejis/article/view/104