Sartika, Didi, et al. “The Influence of Visionary Leadership, Digital Marketing, and Digital Culture on Competitiveness at Institut Agama Islam Negeri (IAIN) Takengon”. Tadbir : Jurnal Studi Manajemen Pendidikan, vol. 10, no. 1, Apr. 2026, pp. 273-86, doi:10.29240/jsmp.v10i1.16184.