Noonkong, Uraiwan Rattanapan, Anamai Damnet, and Kanjana Charttrakul. 2019. “Developing Nonverbal Communication Competence in Requests and Refusals of Thai University Students: The Intercultural Interaction Model”. Journal of Liberal Arts Prince of Songkla University 11 (2):68-95. https://so03.tci-thaijo.org/index.php/journal-la/article/view/232656.