An introduction to the national language research institute :  a stetch of its achievements. 

 - Tokyo :  National Language Research Institute,  1971. 
 - 76 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CIENCIAS SOCIALES
<br/><br/><label>Subjects--Facted Index Terms: </label><br/>CIENCIAS SOCIALES