| Name | Period | Host |
|---|---|---|
| Ji, Hyun Joo 고천문학 | Oct 30, 2015 ~ Oct 31, 2015 | Park, Changbom |
| Ji, Hyun Joo 고천문학 | Dec 28, 2015 ~ Jan 18, 2016 | Park, Changbom |
| Ji, Hyun Joo 고천문학 | Dec 28, 2015 ~ Jan 18, 2016 | Park, Changbom |
| Ji, Hyun Joo 한국문화사와 천문과학 | Feb 14, 2020 ~ Feb 19, 2020 | Park, Changbom |
| Ji, Hyun Joo 한국문화사와 천문과학 | Feb 14, 2020 ~ Feb 19, 2020 | Park, Changbom |
| Ji, Hyun Joo 한국문화사와 천문과학 | Sep 2, 2018 ~ Sep 3, 2018 | Park, Changbom |
| Ji, Hyun Joo 한국문화사와 천문과학 | Sep 2, 2018 ~ Sep 3, 2018 | Park, Changbom |
| Ji, Hyun Joo 한국문화사와 천문과학 | Feb 3, 2022 ~ Feb 11, 2022 | Park, Changbom |
| Ji, Hyun Joo 한국문화사와 천문과학 | Feb 3, 2022 ~ Feb 11, 2022 | Park, Changbom |
| Ji, Hyun Joo 한국문화사와 천문과학 | Aug 27, 2018 ~ Sep 1, 2018 | Park, Changbom |
Schools
