(3JNWjW GdJOQjH aj cQI GdjO (B/ s - (3GMeO YQjHj YhOI s ((3HZOGO(B[(3GdYQGb (B] : s (3ecJH GdaGQRI ddWHGYI hGdfTQ , s, 2002)
Keywords: (3cQI GdjO s -- (3JOQjH s