Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) KOSHIMIZU Yutaka and ISHIZUKA Masanori,Weight of Consinderable Factors of Course Selecting Using the A.H.P. Method,The Journal of Japan Institute of Navigation,03887405,Japan Institute of Navigation,1994,90,0,307-319,https://cir.nii.ac.jp/crid/1390001205480579968,https://doi.org/10.9749/jin.90.307