ISBN 4535562725 books & textbook
Seikatsu rinsho no kihon : Togo shicchosho kanja no kibo ni kotaeru shien.
pub. 2012. Takashi Iseda; Kazuo Ogawa; Ken'ichi Hasegawa
Nihonhyoronsha. /2012-03-01 Tankobon Softcover
isbn-10: 4535562725 / isbn-13: 9784535562721
