Ken'ichi Take books & textbook
Jidai no motome ni kotaete : Take ken'ichi taidanshū
Ken'ichi Take; Moriteru Arasaki; Shigeyuki Kumisaka; Yoshihiko Motoyama
Tōkyō : Shakaihihyōsha, 2010. /2010-01-20 Tankobon Hardcover
isbn-10: 4916117867 / isbn-13: 9784916117861
Yobō gensoku : Hito to kankyō no hogo no tameno kihon rinen
Chiyoko OÌ„take; Ken'ichi Azuma
Tōkyō : Gōdō Shuppan, 2005. /2005-05-01 Tankobon Hardcover
isbn-10: 4772603336 / isbn-13: 9784772603331
