The Integration Duolingo as a Technology-Based Approach to Improve Students’ Motivation and Vocabulary Skills at SMP ISLAM YUHA Cempaka Putih. tiraiedukasi [Internet]. 2026 Jan. 1 [cited 2026 Aug. 28];8(2):57-9. Available from: https://journal.uniqhba.ac.id/index.php/tirai_edukasi/article/view/921