Boonying, Jiraporn, and Panida Ninaron. 2022. “EVALUATION OF HYGIENE STANDARDS OF COMMUNITY-BASED TOURISM ENTERPRISES IN SAMUT SONGKHRAM PROVINCE”. Journal of MCU Nakhondhat 9 (4). Nakhon Si Thammarat, Thailand:341-57. https://so03.tci-thaijo.org/index.php/JMND/article/view/260883.