Flynn, S., and I. M. Zein. “AL-BĪRŪNĪ, SULṬĀN MAḤMŪD AL-GHAZNAWĪ AND ISLAMIC UNIVERSALISM: THE HISTORICALCONTEXT”. Al-Shajarah: Journal of the International Institute of Islamic Thought and Civilization (ISTAC), vol. 19, no. 1, May 2016, doi:10.31436/shajarah.v19i1.314.