HUBI RAHMAT ANDIKA; ISHAK, Ishak. Analisis Daya Saing Universitas di Purworejo dengan Pendekatan Five Forces Porter. MAMEN: Jurnal Manajemen, [S. l.], v. 4, n. 3, p. 317–327, 2025. DOI: 10.55123/mamen.v4i3.5435. Disponível em: https://journal.literasisains.id/index.php/mamen/article/view/5435. Acesso em: 7 mar. 2026.