Lee Chi-dong. Strongest Sanctions on NK, Output of Artful U. N. Diplomacy // Yonhap. March 8, 2013; S. Korea Seeks U. N. Resolution with Military Means Against N. Korea // Yonhap. February 15, 2013; Park Hyun, Park Min-hee. US and China Butting Heads over North Korea // Hankyoreh. February 15, 2013.
