김승연(목포해양대학교 항해학부) | Seungyeon Kim (Division of Navigation Science, Mokpo National Maritime University, Mokpo, Republic of Korea)
정대득(목포해양대학교 항해학부) | Dae-deug Jung (Division of Navigation Science, Mokpo National Maritime University, Mokpo, Republic of Korea)
김민석(한국해양수산연수원) | Minseok Kim (Korea Institute of Maritime and Fisheries Technology, Mokpo, Republic of Korea)
이윤석(한국해양대학교 해양경찰학부) | Yun-Sok Lee (Division of Coast Guard Studies, Korea Maritime and Ocean University, Busan, Republic of Korea)
Corresponding author