Hi Lexi, pretty cool project you finished there! Congrats! I was a little confused about how you only talked about the sources on the internet are kinda poor.

Hi Lexi, pretty cool project you finished there! Congrats! I was a little confused about how you only talked about the sources on the internet are kinda poor. But I didn't see any comments about books for research... Did you use any? Can you recommend some on this topic?