Kerohanian Sejagat: Satu Perspektif terhadap Ajaran Universal Sufism. Substantia: Jurnal Ilmu-Ilmu Ushuluddin, [S. l.], v. 16, n. 2, p. 169–182, 2014. DOI: 10.22373/substantia.v16i2.4927. Disponível em: https://jurnal.ar-raniry.ac.id/index.php/substantia/article/view/4927. Acesso em: 27 jul. 2025.