| Step | Contents |
|---|---|
| 1 | Limiting the type of research subjects to papers published in Korean academic journals |
| 2 | Searching for papers using the KCI system of the NRF |
| 3 | Searching for papers using the 69 keywords selected by the expert group |
| 4 | Setting the search scope to humanities, social sciences (including law) and interdisciplinary studies |
| 5 | Searching for papers up to December 2023 without limiting the period |
| 6 | Finally selecting the papers as research subjects through the unanimous decision of the expert group |