Substantia: Jurnal Ilmu-Ilmu Ushuluddin is an international journal published by the Ushuluddin Faculty and Religious Studies of the State Islamic University (UIN) Ar-Raniry Banda Aceh, Indonesia. This journal has published since 1999 with ISSN 1411-4976. The scope of Substantia is articles of research, ideas, in the field of Ushuluddin sciences (Aqeedah, Philosophy, Islamic Thought, Interpretation of Hadith, Comparative Religion, Sociology of Religion and Sufism). This journal published biannually, April and October. Previously the Substantia Journal had its own website at substantia.org, but in 2017 joined to Rumah Jurnal Ar-Raniry, URL; http://jurnal.ar-raniry.ac.id/index.php/substantia/index