Wangsan, S., and C. Muksong. “TOBACCO INDUSTRY AND ECONOMIC MOTIVATED IN PHRAE PROVINCE (1938 – 1966)”. Journal of Humanities and Social Sciences Prince of Songkla University, vol. 21, no. 1, Apr. 2025, p. e276018, https://so03.tci-thaijo.org/index.php/eJHUSO/article/view/276018.