(3GdMQha GdYGedI aj GdbQGf GdcQje Hjf GdfMhjjf hGdHdGZjjf (B/s - (3GdgdGdj , gGOj YWjI eWQ (B.s ((3HjQhJ (B:s (3YGde GdcJH ddfTQ ,s, 1986)
Keywords: (3GdMQha GdGSJgdGdjI aj GdbQGf s