Attempts, N. Korea Anything but Isolated, Washington Post, 12 May 2005*North-South Korea Trade Increased to Record $1.1 Bln in 2005, Bloomberg, 23 January 2006*A One-Hour Commute to Another World, Los Angeles Times, 28 February 2006*"Kaesong zone a troubled Korean jewel" Asia Times Online, 6 April 2006*"Companies in Kaesung Delegate Management over to North Korea" Daily NK, 17 May 2007*The Kaesong North-South Korean Industrial Complex, Mark E. Manyin and Dick K. Nanto, Congressional Research Service, 18 April 2011.
Attempts, N. Korea Anything but Isolated, "Washington Post", 12 май, 2005*Kaesong, model for Korean cooperation, United Press International, 30 май, 2005*North-South Korea Trade Increased to Record $1.1 Bln in 2005, Bloomberg, 23 януари, 2006*U.S. rejects free trade in Kaesong products, "JoongAng Daily", 9 февруари, 2006*A One-Hour Commute to Another World, "Los Angeles Times", 28 февруари, 2006*"Kaesong zone a troubled Korean jewel" "Asia Times Online", 6 април, 2006*"Companies in Kaesung Delegate Management over to North Korea" "Daily NK", 17 май, 2007