Volume 8, Issue 1, April 2017, Pages 1-9
10.22075/ijnaa.2017.1066.1218
Choonkil Park; Sang Og Kim
Volume 6, Issue 2, January 2015, Pages 21-26
10.22075/ijnaa.2015.229
Choonkil Park; Sang Og Kim; Jung Rye Lee; Dong Yun Shin