Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Takahiro Hasegawa and Noriaki Matsumura and Hidetoshi Takahashi and Haruki Inoue,Control of password periodic change and its user trends in university information infrastructure,Journal for Academic Computing and Networking,13432915,National university corporation of Information Processing Center Council,2013-09-09,17,1,107-114,https://cir.nii.ac.jp/crid/1390282763077410944,https://doi.org/10.24669/jacn.17.1_107