, 2003, Soul, body, and the spirit, in , The passions of the soul in the metamorphosis of becoming, Dordrecht, Springer, pp. 145-152.
, 2002, Phenomenology and Islamic philosophy, in A. Tymieniecka (ed.), Phenomenology world-wide, Dordrecht-Boston-London, Kluwer, pp. 318-322.
, 1987, 'Science, technology and spiritual values: possible models and historical options', Dialectics and Humanism 14 (3), 5-11.
, 1986a, Facts and values: an islamic approach, in , Facts and values, Dordrecht, Springer, pp. 161-170.