(3EVWQHGJ GdMed (B: (3GdLRA GdChd (B/ s - (3GdNhQj, QhLjIs ((3HjQhJ (B:s (3TQcI GdeWHhYGJ ddfTQ hGdJhRjY,s, 1990)
Keywords: (3GdMeds; (3CeQGV GdfSGAs