Dozo Nihongo de. <br/><br/>
Speak Right and Be Polite. 

 - Tokio-JP :   Japan International Cooperation Agency.   
 - p. 20-21 :   il. 
 - Irregular 
 - No. 65 (1989) 
 - Kenshu-In ;   no. 65 .
 - Periodical for Jica Ex-Participants. .