Ngo, Trang, and Khuong Luu. “A Lexicogrammar Approach to Analyze Response Strategies to Apology in English Conversations”. International Journal of English Language Studies 4, no. 1 (March 5, 2022): 45–50. Accessed September 2, 2025. https://al-kindipublishers.org/index.php/ijels/article/view/2984.