(3eLehYI GdeYGgOGJ (B1977 /s (3GdLRA GdGhd,s (3EYOGO YHO GdYXje GdLfRhQjs - (3YHO GdYXje GdLfRhQjs; (3hRGQI GdNGQLjIs ((3GdbGgQI(B:s (3GdgjFI GdYGeI dTFhf GdeWGHY,s, 1979)
(3jTJed Ydj edGMbs
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeYGgOGJ GdOhdjIs; (3GdbGfhf GdOhdj GdYGes