Japanese journalist Kiyoshi Shimano ranks its entrance difficulty as SA (most selective/out of 11 scales) in Japan. 危ない大学・消える大学 2012年版 (in Japanese). YELL books. 2011. ASIN4753930181.
archives.go.jp
digital.archives.go.jp
独立行政法人国立公文書館. "国立公文書館 デジタルアーカイブ" [NATIONAL ARCHIVES OF JAPAN]. 国立公文書館 デジタルアーカイブ.
e.g. 代々木ゼミナール [Yoyogi seminar]. Hensachi. Archived from the original on 22 April 2011. Retrieved 28 April 2011. (the indication showing the entrance difficulties by prep schools rankings)
Japanese journalist Kiyoshi Shimano ranks its entrance difficulty as SA (most selective/out of 11 scales) in Japan. 危ない大学・消える大学 2012年版 (in Japanese). YELL books. 2011. ASIN4753930181.
e.g. 代々木ゼミナール [Yoyogi seminar]. Hensachi. Archived from the original on 22 April 2011. Retrieved 28 April 2011. (the indication showing the entrance difficulties by prep schools rankings)