Youngsun, Kwon, Somadi Sosrohadi, Citra Andini, Shua Jung, Ko Yookyung, and Park Kyeong Jae. “Cultivating Gratitude: Essential Korean Thankfulness Phrases for Indonesian Learners”. ELS Journal on Interdisciplinary Studies in Humanities 7, no. 2 (June 1, 2024): 248–253. Accessed February 23, 2025. https://journal.unhas.ac.id/index.php/jish/article/view/34881.