Akkarapatkamchai P, Naowan W. Model for Building Sustainable Economic Strength and Competitiveness of Tourism and Service Businesses in The New Normal Era in Secondary Cities, Ang Thong Province . วารสารวิชาการ มนส. เทพสตรี [internet]. 2026 Aug. 16 [cited 2026 Sep. 14];17(2):1-16. available from: https://so01.tci-thaijo.org/index.php/truhusocjo/article/view/281989