Closed phi4grv closed 5 years ago
https://www.youtube.com/watch?v=_L_MMU22bAw&list=PL_7viLFyJ7sAnEAuzh8ltHGw5WcDW6LLz
Watched on 31 Mar. It is a quick and brief introduction.
not watched yet
watched
https://www.youtube.com/watch?v=_L_MMU22bAw&list=PL_7viLFyJ7sAnEAuzh8ltHGw5WcDW6LLz