Rai , Sudhashu <br/><br/>
Population: composition and theories 

 - 1st 
 - New Dehli  Best Publishing House  2023 
 - vi , 203 p. 
<br/><br/><label>ISBN: </label>9789392785047 
<br/><br/><label>LC Class. No.: </label>Y1:5  Q3