Lertudomchok N, Leejoeiwara B. Marketing Strategies to Expand Phu Num Fha Hotel’s Customer in Chumphae District, Khon Kaen Province. MBA-KKU J. [internet]. 2024 Mar. 13 [cited 2026 Oct. 14];17(1):150-7. available from: https://so04.tci-thaijo.org/index.php/mbakkujournal/article/view/266563