(3GdeGdjI GdYGeI (B/s - (3YHO GdMajX YHO Gddg YjOs ([(3GdbGgQI(B] :s (3OGQ GdfgVI GdYQHjI,s, 1997)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
(3GdfU HGddZI GdYQHjIs
Keywords: (3GdeGdjI GdYGeIs; (3GdeGdjI GdYGeI hGdJTQjY GdVQjHjs