CS143 Compilers by StanfordTagscourseCompilers. (2022, November 09). Retrieved from https://www.edx.org/course/compilershttps://web.stanford.edu/class/cs143/https://www.youtube.com/watch?v=SNWHmnWzJAI&ab_channel=LectureArchivehttps://web.stanford.edu/class/archive/cs/cs143/cs143.1112/http://infolab.stanford.edu/~ullman/dragon.html