(3GdYjf h GdEHUGQ (B/ s - (3GdHOhj, Ndjds ((3YeGf (B:s (3OGQ YGde GdKbGaI,s, 1999)
Keywords: (3GdLgGR GdMSjs; (3GdYjfs; (3JQcjH GdYjfs; (3CWaGd eQMdI eJhSWI (B(6-9 (3SfhGJ(B)s