Hi! I haven’t really read up on it before, so here are some pages that I found:
http://deborahkalin.com/blog/2015/10/writing-fiction-and-the-bullet-journal-method/
http://deborahkalin.com/blog/2015/08/wherein-our-author-finds-inefficiency-more-efficient-after-all/
http://deborahkalin.com/blog/2015/10/i-had-one-job/
https://www.reddit.com/r/bulletjournal/comments/43sjb7/any_novelistsfiction_writers_use_the_bullet/
https://www.pinterest.com/rachaellucas1/writing-planning-for-writers/
http://barrymorris.net/3-bullet-journal-tips-for-writing-a-book-paper-or-anything-else-that-matters/
http://www.cre84me.info/organization-introduction-to-the-bullet-journal-method/
Some of the other sites were flagged by my anti-virus, so be on the lookout for sketchy sites!