Dr. Ahmad Zuhdi. “ESENSI TEOLOGI DAKWAH JAM’IYYATUL ISLAMIYAH DALAM PERSPEKTIF ISLAM (MENEMPATKAN METODE DAKWAH RUHIYAH KEPADA UMAT)”. Journal of Islamic, Social, Economics and Development, vol. 6, no. 41, Nov. 2021, https://academicinspired.com/jised/article/view/1321.