Harran, Taj al-Sirr Ahmad al-'Ulum wa al-funun fi al-hadarah al-Islamiyah / Taj al-Sirr Ahmad Harran - Riyad : Maktabah al-Rushd, 2007 - 267 p. ; 24 cm. ISBN: 9960014320 RM66.00 Subjects--Topical Terms: Civilization, Islamic