LANGUAGES / literature

http://word2word.com/

www.busuu.com/

https://openculture.com/freelanguagelessons

https://www.youtube.com/c/learnlanguages/playlists

Google translate

Videos Academia Play

http://www.bbc.co.uk/education/subjects/zrqmhyc

Leitner system
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More about Spanish language (useful videos, letter samples, etc.)

https://quizlet.com/en-gb​

https://app.senecalearning.com/courses?Price=Free​

https://www.duolingo.com/​

http://www.laits.utexas.edu/spe/siteindex.php

http://www.modelo-carta.com/

Links to languages

Educational videos in Spanish language

More educational videos in Spanish language

Canta y aprende

Other Spanish resources
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Historia

Historia y geografía

Matemáticas