choi et al. 2009, choi et al. 2008, choi et al. 2019, choi et al. 2010, choi et al. 2007, choi et al. 2005, cho et al. 2012, chow et al. 2008, cho et al. 2006, choi et al 2017, cho et al. 2013
choi et al. 2009. There are any references about choi et al. 2009 in here. you can look below.
choi et al. 2009
choi et al. 2008
choi et al. 2019
choi et al. 2010
choi et al. 2007
choi et al. 2005
cho et al. 2012
chow et al. 2008
cho et al. 2006
choi et al 2017
cho et al. 2013
choi et al. 2009, choi et al. 2008, choi et al. 2019, choi et al. 2010, choi et al. 2007, choi et al. 2005, cho et al. 2012, chow et al. 2008, cho et al. 2006, choi et al 2017, cho et al. 2013
