(3GdMaQjGJ GdESQGFjdjI Mhd GdeSLO GdCbUi h eSLO GdUNQI GdeTQaI (B/ s - (3GdNWjH, QhMjs ((3GdbOS (B:s (3CeGfI GdbOS,s, 1981)
Keywords: (3JGQjN adSWjfs; (3JGQjN GdbOSs; (3GdeOf GdYQHjIs