Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SHIRAISHI Hiroyuki,Network Externalities and Information Strategies of Corporations,Journal of the Japan Society for Management Information,09187324,The Japan Society for Managemant Information,2006,14,4,37-52,https://cir.nii.ac.jp/crid/1390585172431232128,https://doi.org/10.11497/jjasmin.14.4_37