b ((3GdaLjQI (B: s (3LeYjI GdHOjI ddKbGaI hGdafhf GdTYHjI, (B2009 (3, s, 2009)
Keywords: (3GdJQGK GdKbGaj; Gdafhf GdTYHjI; GdLeYjGJ GdKbGajIs