Gapur, Abdul, and Taulia. “Japanglish: The Benefits of English Proficiency for Japanese Language Students’ Vocabulary Acquisition in North Sumatra”. International Journal of Culture and Art Studies 7, no. 1 (April 30, 2023): 41–48. Accessed September 28, 2025. https://talenta.usu.ac.id/ijcas/article/view/11868.