Sumardi, Sumardi, et al. “A Comparative Study of the Calligraphic Rules of Muhammad Shawqi and Hashim Muhammad Al-Baghdadi in the Naskh Script”. Diwan: Jurnal Bahasa Dan Sastra Arab, vol. 11, no. 1, June 2025, pp. 85-97, doi:10.24252/diwan.v11i1.57197.