Rezqi Wahyudi. “KUALIFIKASI PUBLIK RELATION FRANK JEFKINS PERSPEKTIF ISLAM”. AT-TANZIR: JURNAL ILMIAH PRODI KOMUNIKASI PENYIARAN ISLAM, Vol. 9, no. 1, June 2018, pp. 69 -78, https://ejournal.staindirundeng.ac.id/index.php/tanzir/article/view/159.