(3JGQjN eOjfI GdbOS (B/ s - (3GdfJTg, Qajb TGcQs; (3jGZj, ESeGYjd CMeOs; (3CHh Ydjg, YHO GdaJGMs ((3YeGf (B:s (3OGQ GdcQed,s, 1984)
Keywords: (3JGQjN adSWjfs; (3JGQjN GdbOSs; (3GdeOf GdYQHjIs