(3VQGFH GdOeZI YdekG h YedkG (B:s (3TQM dbhGfjf GdOeZI ai VhA CMcGe GdbVGA h aJGhi eLdS GdOhdI ePjdkG HGdfUhU GdbGfhfjI h GdbQGQGJ GdhRGQjI WHbkG dGNQ GdJYOjdGJ (B/s - (3MSjf MGaX s; (3YHO GdYRjR YHO GdhgGH s ([(3ecGf GdfTQ ZjQ eMOO(B] :s [(3GdfGTQ ZjQ eMOO(B] ,s, 1961)
. 3 (3HHdjhLQGajG(B: (3UaMGJ(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeI h GdJTQjY GdVQjHi s; (3GdVQGFH s; (3VQGFH GdOeZI s