(3GdYdGbGJ GdOhdjI(B:s (3GdfXGe GdOHdheGSj GdbfUdj(B-(3Mbhb GdEfSGf(B-(3JfejI Ohd GdYGde GdKGdK(B-(3JShjI GdefGRYGJ GdOhdjI(B/s - (3eUWaj SdGeI MSjfs ((3eUQ(B:s (3OGQ GdeWHhYGJ GdLGeYjI(B,s, 1984)
Keywords: (3bGfhf Ohdj YGes