(3GdYdGbGJ Hjf GdMVGQJjf GdYQHjI h GdGhQHjI (B/s - (3fOhI, gGeHhQZs ((3JhfS (B:s (3GdOGQ GdJhfSjI ddfTQ ,s, 1983)
Keywords: (3GdMVGQI GdGhQHjIs; (3GdMVGQI GdYQHjI s