top of page
Reference Materials:
Books:
​
Websites:
http://www.ridingthebeast.com/numbers/nu20.php
https://en.wikipedia.org/wiki/20_(number)
Youtube:
​
bottom of page
Reference Materials:
Books:
​
Websites:
http://www.ridingthebeast.com/numbers/nu20.php
https://en.wikipedia.org/wiki/20_(number)
Youtube:
​