Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI)
"宋, 娘沃 and Song, Nangok",The Operating System Strategies of Mobile Phone Corporations,Journal of Chugokugakuen,1347-9350,中国学園大学/中国短期大学,2014-06-16,13,,71-80,https://cir.nii.ac.jp/crid/1050282677790169472,