Sunmi Song(Chungnam National University) ; Hyo-Jik Yang(Chungnam National University) ; Jin Hee Kim(Chungnam National University) ; Seongjae Shin(Chungnam National University) ; Eun Hye Park(Chungnam National University) ; Jeongkwon Kim(Chungnam National University)
(pp.53-56)https://doi.org/10.5478/MSL.2011.2.2.053