Najwa Lahmady, Muh. Yahrif, and Muliaty Ibrahim, “THE USE OF DUOLINGO TO INCREASE THE STUDENTS’ VOCABULARY MASTERY AT JUNIOR HIGH SCHOOL”, MERDEKA : Jurnal Ilmiah Multidisiplin, vol. 1, no. 2, pp. 293–300, Dec. 2023, doi: 10.62017/merdeka.v1i2.602.