Pilaiwan , P., and B. Somboonsuke. “Factors Affecting Social Changes of Urak Lawoi Households in Lipe Island, Satun Province”. Journal of International Studies, Prince of Songkla University, vol. 5, no. 1, June 2015, pp. 77-98, https://so03.tci-thaijo.org/index.php/jis/article/view/245783.