(3GdCejf GdYGe dLGeYI GdOhd GdYQHjI(B:s (3GNJUGUGJg GdSjGSjI h GdEOGQjI h OhQg aj bhGJ GdWhGQF GdYQHjI(B/s - (3eMeO YHOGdhgGH GdSGcJs ((3eUQ(B:s (3OGQ GdacQ GdYQHj(B,s, 1973)
Keywords: (3bGfhf Ohdj YGes