Befu, Harumi. <br/><br/>
Senri Ethnological Studies ;   no. 34 

 - Osaka-JA :   National Museum of Ethnology,   1992. 
 - p. 137-146 
 - Irregular 
 - No. 34, (1992) 
 - Senri Ethnological Studies ;   no. 34 .
 - Japón.   National Museum of Ethnology. .
<br/><br/> Japanese Civilization in the Modern World. VII. Language, literacy, and Writing.