KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 26, no. 1, page. 79 - 85, 2009-01
KOREAN JOURNAL OF CHEMICAL ENGINEERING, vol. 23, no. 3, page. 428 - 434, 2006-05
JOURNAL OF THE AIR & WASTE MANAGEMENT ASSOCIATION, vol. 52, no. 12, page. 1389 - 1398, 2002-12