Akmal, Hilmi, Alfi Syahriyani, and Tuty Handayani. 2022. “Request Speech Act of Indonesian English Learners and Australian English Speakers Through Cross-Cultural Pragmatic Perspectives”. LEARN Journal: Language Education and Acquisition Research Network 15 (2):498-520. https://so04.tci-thaijo.org/index.php/LEARN/article/view/259938.