RADJAK, Lukfiah I.; LANTOWA, Felmi D. Optimization of Fund Resources in the Business Charity of Muhammadiyah in the Gorontalo Region. Ekuilibrium : Jurnal Ilmiah Bidang Ilmu Ekonomi, [S. l.], v. 13, n. 2, p. 85–98, 2018. DOI: 10.24269/ekuilibrium.v13i2.2018.pp85 - 98. Disponível em: http://journal.umpo.ac.id/index.php/ekuilibrium/article/view/657. Acesso em: 23 may. 2026.