(3SdWGJ GdCef h GdMUGfGJ h GdGeJjGRGJ GdOHdheGSjI(B:s (3aj GdhGbY GdfXQj h GdYdej ebGQkfG HGdTQjYI GdESdGejI(B/s - (3aGhj GdedGMs ((3eUQ(B:s (3efTCI GdeYGQa(B,s, 1981)
(3jMJhj Ydj HHdjhLQGajGJs
Keywords: (3bGfhf Ohdj YGes; (3GdOHdheGSjI h GdSdc GdOHdheGSjs