(3GdMQhH GdUdjHjI hGKQgG ai GdGOH GdYQHi ai eUQ hGdTGe (B/ s - (3eMeO SjO cjdGfis ((3GdbGgQI (B: s (3OGQ GdaQLGfi ddfTQ hGdJhRjY , s, 1984)
Keywords: (3GdGOH GdYQHis; (3GdMQhH GdUdjHjIs