Ali, Ach Zulfikar, and Nasruddin Nasruddin. “Pesan Dakwah Dalam Film 99 Cahaya Di Langit Eropa (Studi Semiotika Terhadap Film Karya Guntur Soeharjanto)”. Dirosat : Journal of Islamic Studies, vol. 2, no. 1, Nov. 2017, pp. 93-122, doi:10.28944/dirosat.v2i1.65.