OSSEILAN, Eiman; JAMES, Russell. Returns for Fundraising Expenditures in Muslim, Christian, Jewish and Other Religious Nonprofits from IRS Form 990: Underinvestment and the Limitations of Outside Fundraising Consulting. Journal of Muslim Philanthropy & Civil Society, [S. l.], v. 9, n. 2, 2025. Disponível em: https://scholarworks.iu.edu/iupjournals/index.php/muslimphilanthropy/article/view/6348. Acesso em: 14 feb. 2026.