রেফারেন্স পুস্তিকা

3  l 

  l  J



4  l  

m l   

  l   n

 2  (  





 k  p   m





,  5   )

• Pri hooig aa (   ): p   s  

    p 

• Pri ae (p ): p   s      p



5 p   



 

p   m  J 

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