(3ehShYI YGde GdEdcJQhfjGJ (B/ s - (3agej, Cejfs; (3GdYGeQj, aGQhb eMeOs; (3MSjf, aGQhb SjOs ((3HjQhJ (B:s (3OGQ GdQGJH GdLGeYjI,s, 1987)
Keywords: (3GdgfOSI GdEdcJQhfjIs