(3GdefgL GdYdei hJaSjQ GdSdhc (B/s - (3eMeO YeGOGdOjf GSeGYjds ([S.N] : (3ecJHI GdfgVI GdeUQjI , s, 1987)
Keywords: (3Yde GdfaS GdJWHjbis; (3adSaI GdGNdGbs