(3GdbGgQI (B: s (3eOfjI Gda djdI h djdI (B1969- / s - (3ahdca, GQhdLs; (3UdjMg, CMeOs ((3GdbGgQI (B:s (3GdgFjI GdeUQjI GdYGeI,s, 1986)
Keywords: (3GdQMdGJs; (3GdhUas; (3GdbGgQIs