Oka, Mayumi, <br/><br/>
Jōkyū eno tobira :  kontentsu to maruchimedia de manabu nihongo = Tobira : gateway to advanced Japanese through content and multimedia / 
 Tobira : gateway to advanced Japanese through content and multimedia  Tobira 
Oka Mayumi;Tsutsui Michio;Kondō Junko;Emori Shōko;Hanai Yoshirō;Ishikawa Satoru. 
 - 403 pages :  illustrations, maps ;  26 cm 
<br/><br/><label>ISBN: </label>4874244475 9784874244470 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Japanese language--English--Textbooks for foreign speakers
<br/><br/><label>Dewey Class. No.: </label>495.68