| article html file updated | 26 December 2025 17:18 CET | Update | https://www.mdpi.com/2218-1997/8/2/57 |
| article html file updated | 10 October 2025 09:20 CEST | Update | - |
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| article pdf uploaded. | 18 January 2022 06:09 CET | Version of Record | https://www.mdpi.com/2218-1997/8/2/57/pdf |
| article xml uploaded. | 18 January 2022 06:09 CET | Update | https://www.mdpi.com/2218-1997/8/2/57/xml |
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