| article html file updated | 2 September 2025 05:40 CEST | Update | https://www.mdpi.com/2218-1997/7/5/121 |
| article html file updated | 26 July 2022 17:34 CEST | Update | - |
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| article xml uploaded. | 29 April 2021 15:44 CEST | Update | https://www.mdpi.com/2218-1997/7/5/121/xml |
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