How long does it take to learn a language on duolingo? - Quora
Does Duolingo's Learning App Work for Language Learners?
Why Duolingo French Doesn't Work - The Truth About This App
/cdn.vox-cdn.com/uploads/chorus_asset/file/22736692/VRG_4679_Duolingo_001.jpg "The anxiety of the half-finished Duolingo course - The Verge")
The anxiety of the half-finished Duolingo course - The Verge
How long does it take to finish a course on Duolingo? Is it worth it? - Quora
Finished a course, what happens after? : r/duolingo
Does Duolingo's Learning App Work for Language Learners?
Measuring Lesson Recall On Duolingo
How long is too long per day to learn a language, and will it cause burnout do you think? : r/duolingo
What does "finishing a Duolingo course" mean to you? Do you finish each unit to Legendary status? : r/duolingo
For which courses do students make the most progress?
Have you ever maxed out/finished all lessons for a language on Duolingo? - Quora
I'm just curious; to anyone that's actually finished an entire course on Duolingo, how fluent would you say you are? : r/duolingo
How Long Does It Take to Learn Spanish, French, and Other Languages?
On the usefulness of Duolingo - Language Learning - Art of Memory Forum
App Review: How Long Does it Take to Finish a Language on Duolingo? - The Huntswoman
How Long Does It Take To Learn Japanese On Duolingo?
Whoo Hoo! I finished the Swedish Duolingo Tree!
500 Days of Duolingo: What You Can (and Can't) Learn From a Language App - The New York Times
How Long Does It Take To Complete The Spanish Duolingo Tree?
