(3EYGOI GdfXQ (B:s (3ai GdCMcGe GdLfGFjI(B/s - (3EOhGQ ZGdj GdPgHjs ((3GdbGgQI (B:s (3YGde GdcJH ,s, 1970)
(3jTJed Ydj GQLGYGJ HHdjhLQGajI (B.s
(3HHdjhLQGajG (B: (3UaMGJ (B303 - 310.s
Keywords: (3GdCMcGe GdLfGFjIs; (3GdbGfhf GdLfGFjs