Najm, Sami M. (July–October 1966), "The place and function of doubt in the philosophies of Descartes and Al-Ghazali", Philosophy East and West, 16 (3–4): 133–41, doi:10.2307/1397536, JSTOR1397536
jstor.org
Najm, Sami M. (July–October 1966), "The place and function of doubt in the philosophies of Descartes and Al-Ghazali", Philosophy East and West, 16 (3–4): 133–41, doi:10.2307/1397536, JSTOR1397536