(3GdMQcGJ GdYScQjI ddQShd GdGYXe aj caJj ejRGf(B/s - (3Gd jMji,Sja GdOjf SYjOs ((3HjQhJ(B[(3dHfGf(B]:s (3GdOGQ GdYQHjI ddehShYGJ,s, 1983)
Keywords: (3GdSjQI GdPGJjIs