“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”. 2013. Fenomena 12 (1): 89-106. https://doi.org/10.35719/fenomena.v12i1.533.