กุลวิจิตร บ. (2020) “The Need of Business Information Used by Entrepreneurs in Small and Medium Enterprises in Khon Kaen Province”, Journal of the Faculty of Arts, Silpakorn University, 27(2), pp. 44–67. available at: https://so04.tci-thaijo.org/index.php/jasu/article/view/239974 (accessed: 28 September 2026).