Kumruan, Jatika. 2020. “A Study of the Operational Process According to the Quality Index of the Standard of Homestay Accommodation: A Case Study of Ban Amphawa Homestay, Amphawa District, Samut Songkhram Province”. Dusit Thani College Journal 14 (2):323-40. https://so01.tci-thaijo.org/index.php/journaldtc/article/view/243440.