Does Duolingo's Learning App Work for Language Learners?
App Review: How Long Does it Take to Finish a Language on Duolingo? - The Huntswoman
Have you ever maxed out/finished all lessons for a language on Duolingo? - Quora
I Finished the Portuguese Tree on Duolingo Again
I calculated out how long each Duolingo Course would take to Complete: : r/languagelearning
I finally finished my German Course after 189 days!! : r/duolingo
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 Learn Spanish, French, and Other Languages?
Finishing Duolingo French and Spanish - Art Chaidarun
What's the best way to learn with Duolingo?
How long does it take to finish a course on Duolingo? Is it worth it? - Quora
App Review: How Long Does it Take to Finish a Language on Duolingo? - The Huntswoman
Whoo Hoo! I finished the Swedish Duolingo Tree!
On the usefulness of Duolingo - Language Learning - Art of Memory Forum
How long is too long per day to learn a language, and will it cause burnout do you think? : r/duolingo
How well does Duolingo teach speaking skills?
For which courses do students make the most progress?
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 Japanese On Duolingo?
How I completed the Duolingo French tree in 3 months | by Ali | Medium
App Review: How Long Does it Take to Finish a Language on Duolingo? - The Huntswoman
How Long Does It Take To Complete The Spanish Duolingo Tree?
How Long Does It Take To Learn Japanese On Duolingo?
What is a Duolingo Tree: Shortcuts & How to Finish Your Tree • Happily Ever Travels
So You've Finished a Duolingo Tree, Now What?
