Recomendación para mirar...
A Foot in the Door
Die Kinder der Utopie
The Standard Deviants: The Adventurous World of College Algebra, Part 2
Standard Deviants School: Trigonometry, Module 1 - The Basics
The Standard Deviants: The Twisted World of Trigonometry, Part 1
The Standard Deviants: The Twisted World of Trigonometry, Part 2
The Standard Deviants: The Really Big World of Astronomy, Part 2
The Standard Deviants: The Really Big World of Astronomy, Part 1
