(3VQjHI GdJQcGJ h QShe GdCjdhdI (B:s (3abgG hbVGA hJWHjbG (B/s - (3MSf eMeO GdYRhHGjs (1961)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3VQGFH GdCjdhdI hGdJQcGJs; (3GdeGdjI GdYGeI hGdJTQjY dVQjHjs