(3OhQ GdLGeYGJ ai YGde eJZjQ (B/ s - (3WGFaI ef GdeJNUUjfs; (3eMeO MGaX ZGfe (B((3JbOje(B)s ([S.N] : (3OGQ GdfgVI , s, 1975)
Keywords: (3GdOhd GdfGejIs; (3GdJYdjes; (3GdJYdje GdYGdis; (3eTGcd GLJeGYjIs; (3GdOhd GdGhQHjIs; (3GdLGeYGJs