Archives for https://www.duolingo.com/efficacy
Page 1 out of 1
| Website image | URL of site archived | Date archived | Archive type |
 | https://www.duolingo.com/efficacy/resources | Thu, 22 Feb 2024 20:16:13 GMT | Archived webpage |
 | https://www.duolingo.com/efficacy/studies | Thu, 22 Feb 2024 20:15:34 GMT | Archived webpage |
 | https://www.duolingo.com/efficacy | Thu, 22 Feb 2024 20:10:24 GMT | Archived webpage |