KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 28, no. 8, page. 1744 - 1748, 2011-08
KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 27, no. 3, page. 900 - 904, 2010-05
KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 25, no. 4, page. 804 - 807, 2008-07
BIOTECHNOLOGY AND BIOPROCESS ENGINEERING, vol. 9, no. 4, page. 274 - 277, 2004-07