Phansuep, S., S. . Liangprayoon, and P. . Phansuep. “The Development of English Lessons on Local Culture for Prathomsuksa Students in Rimkhongwittaya School, Rimkhong Sub-District, Chiang Khong District, Chiang Rai Province”. Academic MCU Buriram Journal, vol. 8, no. 3, Dec. 2023, pp. 76-87, https://so06.tci-thaijo.org/index.php/ambj/article/view/266623.