(3HdGO TfbjW GdefGQI h GdQHGW (B: s (3YQV ddMjGI GdYdejI h GdETYGY GdKbGaj h (B... / s - (3GdfMhj, GdNdjds ((3JhfS (B:s (3GdefXeI GdYQHjI ddJQHjI h GdKbGaI h GdYdhe,s, 1987)
Keywords: (3ehQjJGfjGs; (3GdJGQjN GdSjGSjs; (3GdeZQH GdYQHjs; (3TfbjWs