Article Versions Notes
Challenges 2021, 12(1), 13; https://doi.org/10.3390/challe12010013
| Action | Date | Notes | Link |
|---|---|---|---|
| article xml file uploaded | 14 May 2021 11:41 CEST | Original file | - |
| article xml uploaded. | 14 May 2021 11:41 CEST | Update | https://www.mdpi.com/2078-1547/12/1/13/xml |
| article pdf uploaded. | 14 May 2021 11:41 CEST | Version of Record | https://www.mdpi.com/2078-1547/12/1/13/pdf |
| article html file updated | 14 May 2021 12:54 CEST | Original file | - |
| article html file updated | 26 July 2022 19:27 CEST | Update | - |
| article html file updated | 2 September 2025 07:09 CEST | Update | https://www.mdpi.com/2078-1547/12/1/13/html |
