[1] Hasbro. http://jenga.com.Search in Google Scholar
[2] M. Masuda. Daisu-teki topology, Asakura Shoten, 2002.Search in Google Scholar
[3] Takara Tomy. http://www.takaratomy.co.jp/products/jenga.Search in Google Scholar
[4] Wikipedia. Jenga, https://en.wikipedia.org/wiki/Jenga.Search in Google Scholar