(3GHf GdaGQV YejO GdMH GdGdgi ai GdJUha GdGSdGei (B/ s - (3eYQha RQjbs ([S.N] : (3OGQ GSGeI ddfTQ hGdJhRjY , s, 1990)
Keywords: (3GdTYQ GdYQHis; (3GdJUha GdGSdGeis; (3GHf GdaGQVs