(3GdMOjO h GdahdGP (B/ s - (3eWdb, Qajbs ((3HjQhJ (B:s (3ecJHI dHfGf,s, 1987)
Keywords: (3GdMOjO hGdUdHs; (3GWaGd eQMdg eJhSWg (B(6-9) (3SfhGJs