ISBN 4339024635 books & textbook
Kaitōryoku o takameru kihon jōhō gijutsusha shiken no kaihō : anki no kabe o koete keisanryoku o mi ni tsukeru
Haruo Hayami; Hiromitsu Nishimura
Tōkyō : Koronasha, 2012. /2012-09-01 Tankobon Softcover
isbn-10: 4339024635 / isbn-13: 9784339024630