Kurdistan Institution for Strategic Studies and Scientific Research, 09 Jan 2013 http://www.facebook.com/l.php?u=http%3A%2F%2Flink.springer.com%2Farticle%2F10.1007%2Fs10347-012-0354-9
Green Environment, 06 Jan 2013 Characeae-derived carbonate deposits in Lake Ganau, Kurdistan Region, Iraq