(3jghO GdYQGb (B.. (3JGQjNge ; CMhGdge ; gLQJge (B/ s - (3chQjg, jYbhH jhSas ((3YeGf (B:s (3GdCgdjg ddfTQh GdJhRjY,s, 1998)
Keywords: (3GdCbdjGJ GdOjfjIs; (3GdjghOs; (3JGQjN GdYQGbs