Gessom, Samorn <br/><br/>
Synchronic - comparative - contrastive study of modern I - San ( Northeastern Thai ) and standard 

 - Poona  Deccan College Post-Graduate & Research Institute  1983 
 - 19,397p.  Thesis 
<br/><br/><label>Dewey Class. No.: </label>P433-I'san  / L3