Ramdani, Fauziah. “Komunikasi Dakwah Rasulullah : Telaah Surat–surat Rasulullah”. NUKHBATUL ’ULUM: Jurnal Bidang Kajian Islam 5, no. 1 (June 30, 2019): 1-14. Accessed February 26, 2020. https://journal.stiba.ac.id/index.php/nukhbah/article/view/50.