(3Shb GdYjO (B/ s - (3eMeO LHQjds ((3GdbGgQI (B: s (3GdgjFI GdeUQjI GdYGeI ddcJGH , s, 1997)
Keywords: (3GdGOH GdTYHis; (3GdbUU GdYQHjI (B- (3eLehYGJs