Promsit, S., Sotthi-Anan, S., Sonthirak, T., Tabkhoontod, R. and Viroja, K. 2025. The Pattern Structure of the Yuan Language in Sikhio District, Nakhon Ratchasima Province. SOCIAL SCIENCES RESEARCH AND ACADEMIC JOURNAL. 20, 3 (Sep. 2025), 17–24.