(3dGFMI HOd GdSaQ heUGQja GdEfJbGd ddYGedjf HGdMcheI hGdbWGY GdYGe (B/s - (3eUQ(B.s ((3GdbGgQI (B:s (3GdgjFI GdYGeI dTFhf GdeWGHY GdCejQjI,s, 1984)
Keywords: (3JTQjYGJ hbhGfjfs; (3HOd GdSaQ(B.s; (3eUGQja GdCfJbGd(B.s