“Potret Portal Islam di Internet: Analisis Mesin Pencari terhadap Portal NU dan Muhammadiyah: Portrait of Islamic Portals on the Internet: Search Engine Analysis of NU and Muhammadiyah Portals”, FN, vol. 12, no. 1, pp. 89–106, Apr. 2013, doi: 10.35719/fenomena.v12i1.533.