“Komunikasi Dakwah Rasulullah: Telaah Surat-Surat Rasulullah: Da’wah Communication of the Prophet: Prophet ‘s Letters Review”. 2019. NUKHBATUL ’ULUM: Jurnal Bidang Kajian Islam 5 (1): 1-14. https://doi.org/10.36701/nukhbah.v5i1.50.