রেফারেন্স পুস্তিকা

l 
Tie a
( )
Prier efau (p ) (  p   ),
Pri ie a (  p ) ( p  
 p ),  No ie a (  
) 
       p  J 
Croig
()
p      l    p ,
No croig (  )    J    

, Cro (
)    2    
  ;    X ,  W (Q) 
        J   
     p
 p    
4 p  
p   Sar riig (p  )
   J  s  p 
  , J 
162
Q