Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Udagawa Atsushi,A Media History of Search Engine Rankings,JOURNAL OF MASS COMMUNICATION STUDIES,13411306,"Japan Association for Media, Journalism and Communication Studies",2019-01-31,94,0,131-149,https://cir.nii.ac.jp/crid/1390845713076153984,https://doi.org/10.24460/mscom.94.0_131