Sungrugsa N, Rattanapongpinyo T, Pwongsa P. The Competency in Marketing Competitive Advantage Development Model of Cultural Tourism Four Dvaravati Provinces. soc sci hum utcc [internet]. 2018 Jan. 1 [cited 2026 Aug. 30];35(1):22-38. available from: https://so06.tci-thaijo.org/index.php/utccjournalhs/article/view/190906