Duolingo Leaderboard League Badges
Por um escritor misterioso
Descrição
Jul 3, 2020 - Duolingo Leaderboard League Badges designed by John Trivelli for Duolingo. Connect with them on Dribbble; the global community for designers and creative professionals.
Achievements, Duolingo Wiki
Gamification Examples, User Retention
7 Engaging Elearning Gamification Strategies - Kotobee Blog
How to Make a Language Learning App Like Duolingo in 2019
Why Duolingo, A Language App, Is Plagued With Cheaters
dyniol website
Duolingo : 200000XP+ on leaderboard
League, Duolingo Wiki
Duolingo Leagues explained - Duolingo Guide
Bronze League #1 Duolingo, Education motivation, League
Duolingo Challenges - EVERYTHING You Need To Know - duoplanet
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por adulto (o preço varia de acordo com o tamanho do grupo)
