(3JjSjQ GdfMh GdJYdjej bOjeG h MOjKkG eY fgL JLOjOg (B/ s - (3Vja, Thbjs ((3GdbGgQI (B:s (3OGQ GdeYGQa,s, 1993)
Keywords: (3GddZI GdYQHjIs; (3bhGYO GddZIs; (3Yde GdUQas