Adyta PK, Ratni NP, Adnyani NWS. The Effectiveness of Using Duolingo Application for Speaking Skill in 10th Grade of SMK Pariwisata Budaya Bedulu. Educational Journal [Internet]. 2026 Jun. 13 [cited 2026 Jun. 21];1(4):1863-71. Available from: https://indojurnal.com/index.php/edu/article/view/3302