김승연(목포해양대학교 항해학부) | Seungyeon Kim (Professor, Division of Navigation Science, Mokpo National Maritime University, Mokpo, Republic of Korea)
김경환(한국해양대학교 항해융합학부) | Kyunghwan Kim (Professor, Division of Navigation Convergence Studies, Korea Maritime and Ocean University, Busan, Republic of Korea)
Corresponding author