Apoko TW, Dunggio AA, Chong SL. THE STUDENTS’ PERCEPTIONS ON THE USE OF MOBILE-ASSISTED LANGUAGE LEARNING THROUGH DUOLINGO IN IMPROVING VOCABULARY MASTERY AT THE TERTIARY LEVEL. ERJEE [Internet]. 2023Feb.28 [cited 2025Jun.13];11(1):17-6. Available from: https://journal.uniku.ac.id/index.php/ERJEE/article/view/7069