Advances in language planning / 
Ed. by Joshua A. Fishman. 
 - The Hague :  Mouton,  1974. 
 - 590 p. :  ill. ;  24 cm. 
 - Contributions to the Sociology of Language  Vol. 5 .
<br/><br/>Includes bibliogr. references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Sociolinguistics
<br/><br/><label>Subjects--Geographic Terms: </label><br/>Developing countries--Languages.