1. What’s the problem with “Advertising Medical Articles”? Medical Policy;Kim
2. Factors Affecting Hostility to and Avoidance of Ads Impersonating Online Articles. Advert. Res. Winter 2021, Volume 131. Korean Advertising Promotion Academy
3. The concept and current status of the knowledge-based service industry, and how to foster it;Lee;Korean Econ. Res.,2008
4. An overview and development direction of future knowledge services;Lee;J. Inf. Sci.,2009