Zein, M., and A. Ali @ Mat Zin. “Konsep Dan Pendekatan Integratif Dalam Pendidikan Nasional Dan Pendidikan Islam: Integrative Concept and Approaches in National Education and Islamic Education”. Al-Muqaddimah: Online Journal of Islamic History and Civilization, vol. 6, no. 2, Dec. 2018, pp. 15-30, https://ejournal.um.edu.my/index.php/MUQADDIMAH/article/view/15548.