ব্যবহারকারীর পুস্তিকা

49
❚❚ u  
1    
a       
 p 
a 
2  l
 - l  J 
3    
  p    
    1     
   

   (
   m

k   ; m

k 
)       p
  , X (T)   
W (S) 
 