2077-2955 2077-2955 S2077-29552020000100168 00 04 2020 00 04 2020 16 1 168 175

2006 1998 15-38 2010 36 36 171-80 1994 1994 97-128 2002 2017 21 2 2 48-57 2002 52 6 6 522-36 2011 6 2 2 109-26 2006 Sangsung News 2016 2000 14 5 5 216-23