(3GdeHGOF GdCSGSjI GdJj jbhe YdjgG GdbGfhf GdLfGFj GdCfLdh CeQjcj (B/s - (3eMeO eMj GdOjf YhVs ([ (3ZjQ eMOO(B] :s [(3ZjQ eMOO(B] ,s, 1962)
. 146-145(3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU CZdHg HGddZI GdYQHjI eY HYV GdfUhU GdEfLdjRjIs
Keywords: (3GdbGfhf GdLfGFjs