(3GdGSJHOGO GdOjebQGWi (B/ s - (3YUeJ Sja GdOhdIs ([S.N] : (3OGQ GdeSJbHd GdYQHi , s, 1990)
Keywords: (3GdKhQGJs; (3GdMbhb GdSjGSjIs; (3GdOjebQGWjIs; (3GdJGQjNs; (3GdePGgH GdSjGSjIs; (3GdMbhb GdOSJhQjIs