Insuwanno, Patthawee, and Kullada Phetvaroon. 2022. “An Investigation of Senior tourist’s Expectations and Satisfaction: a Case Study of Andaman Provinces, Thailand”. Journal of International Studies, Prince of Songkla University 12 (2):28-61. https://so03.tci-thaijo.org/index.php/jis/article/view/262593.