Please Take Notes of these documents and videos. 1. https://www.youtube.com/watch?v=yP9By3l7rlo&feature=youtu.be 2. https://www.youtube.com/watch?v=KXFdRnQNZfA&feature=youtu.be 3. https://www.youtube.com/watch?v=qO0miJHNQ_o&feature=youtu.be 4. https://www.youtube.com/watch?v=R6LplmYyOJE&feature=youtu.be Please indicate which note is for which video or document. […]