Rungroj Tonpradit 2023. Development of Speaking Skills for Introducing Tourist Attractions Of youth in Doi Chang village, Wawee Sub-district, Mae Suai District, Chiang Rai Province: Development of Speaking Skills for Introducing Tourist Attractions Of youth in Doi Chang village, Wawee Sub-district, Mae Suai District, Chiang Rai Province. Fa Nuea Journal. 12, 1 (Feb. 2023), 55–70.