Radjak LI, Lantowa FD. Optimization of Fund Resources in the Business Charity of Muhammadiyah in the Gorontalo Region. EKU [Internet]. 2018 Oct. 17 [cited 2026 Jul. 25];13(2):85-98. Available from: https://journal.umpo.ac.id/index.php/ekuilibrium/article/view/657