Masalin Wudthisin ม. ว. “Conceptualization of Mixed-Alternative Tourism Development in a Community: A Case Study of Thakam Sub-District, Chacheongsao Province”. Dusit Thani College Journal, vol. 11, no. 2, Apr. 2018, p. 439, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/120553.