(3GTcGdjGJ GdJGUjd ai GdeSQM GdYQHi (B/ s - (3gjKe jMji GdNhGLIs ((3GdbGgQI (B: s (3eQcR GdMVGQI GdYQHjI ddGYdGe hGdfTQ , s, 2000)
Keywords: (3Gdafhf GdeSQMjIs; (3GdeSQMjI (B- (3JGQjN hfbOs; (3GdeSQM (B- (3YQhVs