พึ่งสุจริต เ. and โรจน์รุ่งสัตย์ พ. (2018) “GUIDELINES FOR THE TOURISM ADMINISTRATION DEVELOPMENT OF KAENGKRACHAN DISTRICT IN PHETCHABURI PROVINCE”, Sripatum Review of Humanities and Social Sciences, 14(1), pp. 84–93. Available at: https://so05.tci-thaijo.org/index.php/spurhs/article/view/116420 (Accessed: 18 May 2024).