82. Hyuntae Kang, Aram Kim, Miran Kim, Chohye Yoon, Kang Hyun Park "Synthesis of Glycerol Carbonate from Glycerol and Urea with Cobalt-containing Metal Oxide as Catalysts" International Symposium on Green Manufacturing and Applications (ISGMA 2013), Sheraton Waikiki Hotel, Honolulu, Hawaii, USA, June 24-30, 2013