Ongsara, Fasin, and Pakamas Chairatana. “Marketing Mix Affecting Halal Food Tourism Enhancement in Ranong”. Rajapark Journal 15, no. 38 (February 20, 2021): 195–207. Accessed April 29, 2024. https://so05.tci-thaijo.org/index.php/RJPJ/article/view/248927.