(3efGXQGJ aj GdacQ GdESdGej (B:s (3GdgGQHhf Edi Gddg (B/s - (3GdTQbGhj, MSf eMeOs ((3GdEScfOQjI (B:s (3eDSSI THGH GdLGeYI ,s, 1984)
(3jTJed Ydi EQLGYGJ HHdjhLQGajI(B.s
Keywords: (3GdKbGaI GdESdGejIs -- (3acQ ESdGej s