(3bGgQjGJ (B: (3GSHdI GdbGgQI (B/ s - (3LeGd GdZjWGfis ([S.N] : (3ecJHI eOHhdi , s, 1984)
Keywords: (3GdJGQjNs; (3GdGKGQ GdGSdGejIs; (3GdeHGfi GdJGQjNjIs; (3GdbGgQIs; (3GdGSHdIs