(3eLehYI GdeYGgOGJ (B1972/s - (3LeGd eUWaj GdLfOjs ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY(B,s, 1972)
(3jTJed Ydj edGMbs
(3jMJhj Ydj GQLGYGJ HHdjhLQGajIs
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeYGgOGJ GdOhdjIs; (3bGfhf Ohdj YGes