by 고형화, Hyung Hwa Ko, 서석용, Seok Yong Seo
Published in 한국항행학회논문지 (31.12.2015)

by 고형화, 서석용, Ko, Hyung Hwa, Seo, Seok Yong
Published in 한국항행학회논문지 (01.12.2015)

by 박화범, 조영성, 고형화
Published in 디지털콘텐츠학회논문지, 14(4) (01.12.2013)

by 조영주, Young Ju Cho, 고형화, Hyung Hwa Ko
Published in 한국항행학회논문지 (31.12.2014)

by 조영주, 고형화, Cho, Young-Ju, Ko, Hyung-Hwa
Published in 한국항행학회논문지 (01.12.2014)

by 박화범(Wha-Beum Park), 조영성(Young-Sung Cho), 고형화(Hyung-Hwa Ko)
Published in 디지털콘텐츠학회논문지 (2013)

by 왕덕상, Duck Sang Wang, 서석용, Seok Yong Seo, 고형화, Hyung Hwa Ko
Published in 한국항행학회논문지 (28.02.2013)

by 왕덕상, 서석용, 고형화, Wang, Duck-Sang, Seo, Seok-Yong, Ko, Hyung-Hwa
Published in 한국항행학회논문지 (01.02.2013)

by 박경준, Kyung Jun Park, 서석용, Seok Yong Seo, 고형화, Hyung Hwa Koh
Published in 한국항행학회논문지 (30.12.2013)

by 서석용, Seok Yong Seo, 고형화, Hyung Hwa Ko
Published in 한국항행학회논문지 (30.04.2011)