| ID | c83c3f503e1a43708035357efb6479a1 |
|---|---|
| Author | n/a |
| Author URL | n/a |
| Source Image | https://web.badges.world/badges/validated/mathml20.png |
| Tags | web.badges.world old web - badges |
| ID | c83c3f503e1a43708035357efb6479a1 |
|---|---|
| Author | n/a |
| Author URL | n/a |
| Source Image | https://web.badges.world/badges/validated/mathml20.png |
| Tags | web.badges.world old web - badges |