Phungphol, W. . ., V. . . Jadesadalug, and J. . Sansook. “The Development of Business Intellectual Competency for Modern Thai SMEs Towards Business Performance in Thailand 4.0 Era”. Dusit Thani College Journal, vol. 14, no. 2, Aug. 2020, pp. 341-60, https://so01.tci-thaijo.org/index.php/journaldtc/article/view/243441.