Rosyidi, Imron. “Pentingnya Human Relations Dalam Kegiatan Kehumasan”. Ilmu Dakwah: Academic Journal for Homiletic Studies 4, no. 13 (September 1, 2015): 571–594. Accessed December 16, 2025. http://103.55.33.27/index.php/idajhs/article/view/406.