(3KhQI eUQ GdYQHjI (B/ s - (3YUeJ Sja GdOhdIs ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1990)
Keywords: (3eUQs; (3GdfRGY GdYQHi GdGSQGFjdis; (3GdLQGFe GdSjGSjIs; (3GdOHdheGSjhfs