(3GdEedGA (B: s (3CgejJg (B- (3egGQGJg (B- (3bhGYOg (B: (3GdJbhje GdTNUj (B/ s - (3GdTGaYj, Ced YWjI ehSis ((3YeGf (B:s (3O(B.(3f,s, 1999)
Keywords: (3GdEedGAs