Sonthirak, Thanaphat, Rungsan Lakhamja, Wimolporn Rawengwan, Supawee Lertpatiwong, and Phawinee Boonjanda. “The Development of English Skills for Homestay Tourism through Community Participation for Huai Kha Khaeng Wildlife Sanctuary Tourism Promotion: A Case Study of the Ra Bum Community, Lan Sak District, Uthai Thani Province”. Humanities and Social Sciences Nakhonsawan Rajabhat University Academic Journal 10, no. 1 (June 30, 2023): 56–70. Accessed May 19, 2024. https://so05.tci-thaijo.org/index.php/hssnsru/article/view/264457.