Professor of Department of Dental Hygiene, College of Dentistry, Gangneung Wonju National University President of Social Dental Hygiene Subcommittee Managing Editor of Journal of Dental Hygiene Science Works - Types of Perception of Home Visiting Oral Health Care Services for Korean Older Persons: A Q Methodology Study (International Journal of Environmental Research and Public Health / 2020-12-30 | Journal article / DOI: 10.3390/ijerph18010214) - The effect of project-based learning modules on a community dental hygiene practicum in South Korea (Journal of Dental Education / 2020-04 | Journal article / DOI: 10.1002/jdd.12047) - Status and Opinions of Public Health Centers and Industrial Dental Offices on the Oral Health Promotion of Korean Adult Workers (Journal of Dental Hygiene Science / 2020-03-31 | Journal article / DOI: 10.17135/jdhs.2020.20.1.25)