Borang KA, Maru MG, Rorimpandey RS. THE USE OF DUOLINGO APPLICATION TO INCREASE STUDENTS’ VOCABULARY MASTERY. SoCul : IJRCCSSCLI [Internet]. 2023Nov.6 [cited 2025Apr.19];3(1):750-7. Available from: https://ejurnal.unima.ac.id/index.php/socul/article/view/7431