1. Al-Farabi. (1962). Attainment of happiness (“Taḥṣīl al-saʾādah”). (Muhsin Mahdi, Trans. and Ed.). New York: The Free Press of Glenco.
2. Bakar, O. (1998). Classification of knowledge in Islam. Cambridge: Islamic Texts Society (first printed Kuala Lumpur: Institute for Policy Studies, 1992).
3. Bakar, O. (2008). Tawhid and science: Islamic perspectives on religion and science. Shah Alam, Malaysia: Arah Publications.
4. Bakar, O. (2014a). Islamic civilisation and the modern world: Thematic essays. Brunei Darussalam: Universiti Brunei Darussalam.
5. Bakar, O. (2014b). From secular science to sacred science: The need for a transformation. Sacred Web, 33, 25–49.