Na Songkhla R, Na Songkhla N. Guidelines to Create Value-Added for Product and Service of Community-Based Tourism, Study Case for Phatthalung Province . JTHT [Internet]. 2022 Oct. 4 [cited 2024 Apr. 25];17(2):45-5. Available from: https://so04.tci-thaijo.org/index.php/tourismtaat/article/view/248483