(3fhGOQ GeQGA GdTYQGA (B/ s - (3GdSjO aQLs ((3GdbGgQI (B: s (3GdOGQ GdOhdjI ddfTQ hGdJhRjY , s, 1993)
Keywords: (3GdfhGOQGdYQHjIs; (3GHhJeGe, MHjH Hf GhS GdWGFis; (3GdGOHGAs; (3fhGOQ GdTYQGAs; (3GdGOH GdTYHi (B- (3GdYGde GdYQHis