Tampubolon, S., Manalu, A.M. and Simarmata, R.O. 2024. The Effect Of Duolingo Application Toward Students Listening Achievement Of Seventh Grade Students At SMP Negeri 1 Pasaributobing. Jurnal Kajian Ilmu Pendidikan (JKIP). 4, 2 (May 2024), 582-588. DOI:https://doi.org/10.55583/jkip.v4i2.876.