Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) YOSHIDA Kana,The Problems of Federal Student Loan Delinquency and Default in the United States of America,Japanese Journal of Higher Education Research,13440063,Japanese Association of Higher Education Research,2012-05-30,15,0,161-179,https://cir.nii.ac.jp/crid/1390845713067429376,https://doi.org/10.32116/jaher.15.0_161