(3ehGWfI eJdHSI HGdbQGAI (B/ s - (3GdSeGf, ZGOIs ((3HjQhJ (B:s (3efThQGJ ZGOI GdSeGf,s, 1986)
Keywords: (3GdebGdGJ GdYQHjIs; (3GdCOH GdYQHjs