Feel free to dig deeper and explore extra materials. They are not the essential part of this course, but they will definitely bring you to another level. 

•  Kurt Opsahl x congress (2 talks), 
  • https://youtu.be/KxGFrH6Dqbc?si=AED_P53AAwUqi9F7 
  • https://www.youtube.com/watch?v=omRpR1-g0Zw
• nick almond x bangkok, 
  • https://www.youtube.com/watch?v=AGUrqPJDrGM&t=854s 
• lefteris x eps
  • https://youtu.be/f7FU_1MxRd4?si=5YSDTAHCvAcrzFWL 
• Andy Guzman
  • https://www.youtube.com/watch?v=aOwv1tRtyUY&list=PLSsVHWrO8Yh1WwICFUsZnB__ThC9bhgqM&index=27
• Brewster Khale 
  • https://youtu.be/_evGcDWRuyg?si=tXbdMnE2YcLf6a9N

Nikolais principles

https://chaser.eth.link/nikolais-principles