Tài liệu tham khảo WikiPedia: Katabuchi Sunao http://www.anido.com/production/animation/602 http://www.crunchyroll.com/anime-news/2015/03/09-1... http://www.imdb.com/title/tt0338796/ http://variety.com/2015/film/asia/crowd-funding-ti... http://nuart-cinema.info/profile/ http://animeanime.jp/article/2016/11/22/31448.html http://hiff.jp/en/archives/3441/ http://www.huffingtonpost.jp/2017/01/25/sunao-kata... http://archive.j-mediaarts.jp/festival/2010/animat... http://mainichi.jp/articles/20161216/dde/010/200/0...
