Seo, Hyeon Sik, and YoungJun Kim. “Intangible Assets Investment and firms’ Performance: Evidence from Small and Medium-Sized Enterprises in Korea”. Journal of Business Economics and Management 21, no. 2 (March 3, 2020): 421-445. Accessed April 26, 2024. https://journals.vilniustech.lt/index.php/JBEM/article/view/12022.