Mohammad Reza Adi Saputra, and Yulia Nugrahini. “The Effectiveness Of Duo Lingo Application In Vocabulary Mastery Through Eight Grade Student”. Jurnal Manajemen Kreatif Dan Inovasi, vol. 2, no. 3, July 2024, pp. 297-04, doi:10.59581/jmki-widyakarya.v2i3.3987.