Yuliyanti, Cici, and Leroy Holman Siahaan. “The Effectiveness of Using U-Dictionary Application in Learning English”. INTERACTION: Jurnal Pendidikan Bahasa, vol. 9, no. 1, May 2022, pp. 38-50, https://e-journal.unimudasorong.ac.id/index.php/interactionjournal/article/view/2517.