Suri, Dinda, Wiki Tedi Rahmawati, dan Sofia Idawati Lubis. 2024. “IMPROVING STUDENTS’ VOCABULARY MASTERY BY USING DUOLINGO OF THE EIGHTH GRADE AT SMPS BUDI UTOMO ”. Pedagogi: Jurnal Ilmiah Pendidikan 10 (1):102-10. https://doi.org/10.47662/pedagogi.v10i1.675.