¿Cómo podemos ayudar?

lprotocassina

Actividad reciente de lprotocassina

I also think that Khan Academy should show, at least somewhere on the site, how much video time each session has. This could be very useful for organizational matters. Since I am a self-learner, kn...
@ReginaLitman MOOCs are Massive Open Online Courses offered by several Khan Academy-like platforms like edx.com or coursera.com. Courses range from mathematics to social sciences or DIY projects. Y...