Similar to that 'mini about how many can fit within' question....

Edudemic (@Edudemic) tweetou às 10:25 PM on qua, Mai 08, 2013: How Many Teachers Will We Need By 2015? [Interactive Infographic] http://t.co/38ojfjpbSd (https://twitter.com/Edudemic/status/332244928564449280) Adquira o aplicativo oficial do Twitter em https://twitter.com/download

http://edudemic.com/2013/05/how-many-teachers-will-we-need-by-2015/