Lamarca FJ, Lamarca CAJ. Social Impacts of Tourism in the Heritage City of Vigan, Philippines and Ayutthaya City, Thailand. jopag [Internet]. 2017 May 19 [cited 2024 May 17];7(1):118-33. Available from: https://so03.tci-thaijo.org/index.php/jopag/article/view/155120