(3fMh GSJQGJjLjI hNWI Yed ddUQGY GdYQHi (B- (3GdUgjhfi (B/ s - (3eLOi MeGOs ((3GdbGgQI (B: s (3eQcR OQGSGJ GdhMOI GdYQHjI , s, 2000)
Keywords: (3GdfRGY GdYQHi GdGSQGFjdis; (3GdbVjI GdadSWjfjIs; (3GdebGheI GdadSWjfjIs