(3GdGTGQGJ GdLSejI (B: s (3OQGSI dZhjI dXGgQI GSJYeGd GYVGA GdLSe ai GdJhGUd (B/ s - (3cQje Rci MSGe GdOjfs ((3GdbGgQI (B: s (3OGQ ZQjH ddWHGYI hGdfTQ hGdJhRjY , s, 2001)
Keywords: (3GdJhGab GdMQcis; (3GdJYHjQjI (B( (3Yde faS (B)s; (3dZI GdLSOs; (3GdGTGQGJ GdLSejIs