(3GdTgH GdeNQbI (B/ s - (3GMeO HQfGRs ([S.N] : (3OGQ GdZQH GdGSdGei , s, 1990)
Keywords: (3GdGLJgGOs; (3GdTQjYI GdGSdGejIs; (3Gdabg GdGSdGeis