1. National Research Foundation of Korea (2021) Research of Conservation Environment and Eco-Friendly Damage Control of Cultural Heritage Korea and Italy.
2. Conservation Environmental Assessment and Microbial Distribution of the Songsan-ri Ancient Tombs, Gongju, Korea
3. Biochemical Characteristics and Growth Control for fungi isolated from mural painting of Tomb No.6 at Songsan-ri, Gongju
4. Gongju City and Kongju National University-Research Institute for Basic Science (2020) Research on the Internal Monitoring and Analysis of the Ancient Tombs in Songsan-ri, Gongju. 258.
5. National Research Foundation of Korea (2020) Research of Conservation Environment and Eco-Friendly Damage Control of Cultural Heritage Korea and Italy.