1.
Siraranghom W. Developing a Comprehensive Preparation Module for the Oral Proficiency Interview (OPI). NKRAFA.HSJ. [internet]. 2024 Dec. 27 [cited 2025 Dec. 10];12:117-29. available from: https://so04.tci-thaijo.org/index.php/KANNICHA/article/view/274563