(3GdeDJda (B: s (3eMGVQGJ aj egGQGJ GddZI GdYQHjI (B- (3eSJhi dZI YQHjI (B/ s - (3UGdM, YGOd LGHQs; (3SdjeGf, fGja CMeOs ((3YeGf (B:s (3OGQ GdKbGaI ddfTQ,s, 1990)
Keywords: (3GddZI GdYQHjIs; (3bhGYO GddZIs