RAFIDA, Tien. The Determination of Effective Educational Institution at Undergraduate Program of North Sumatra State Islamic University. Jurnal Ilmiah Peuradeun, [S. l.], v. 5, n. 2, p. 169–188, 2017. DOI: 10.26811/peuradeun.v5i2.131. Disponível em: https://journal.scadindependent.org/index.php/jipeuradeun/article/view/131. Acesso em: 21 apr. 2026.