(3GdYdGbI GdEjLGQjI aj GdCQGVj GdRQGYjI Hjf GdCeS h Gdjhe (B/ s - (3HSjhfj, GdSjOs ((3GdbGgQI (B:s (3eDSSI OGQ GdJYGhf ddWHY h GdfTQ,s, 1992)
Keywords: (3eUQs; (3YbhO GdEjLGQs; (3GdCQGVj GdRQGYjIs