Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Tanaka Yayoi and Kurita Kayoko and Kogawa Ichiro,Financial Sustainability and Structural Problems of NPOs in Japan: Data Analysis of NPO Financial Statements,The Nonprofit Review,13464116,JAPAN NPO RESEARCH ASSOCIATION,2008,8,1,33-48,https://cir.nii.ac.jp/crid/1390001205105663488,https://doi.org/10.11433/janpora.8.33