(3ai GdWH GdGSdGei (B/ s - (3eMehO fGXe GdfSjeis; (3SdeGf bWGjI(B((3JbOje(B)s ([S.N] : (3LQhS HQS , s, 1988)
Keywords: (3GdWH GdYQHis; (3GdWH GdfHhis; (3GdWH YfO GdYQHs