UMRO’ATIN, Yuli; FITRI, Agus Zainul. Strategic Management of Non Profit Organization to Increase the Existence of Al-Mutmainnah Ponorogo Islamic Boarding School. Tarbawi Ngabar: Jurnal of Education, [S. l.], v. 4, n. 2, p. 208–238, 2023. DOI: 10.55380/tarbawi.v4i2.458. Disponível em: https://jurnal.iairm-ngabar.ac.id/index.php/tarbawi/article/view/458. Acesso em: 24 jun. 2026.