Mulyadi, M., and J. P. Taran. “The Concept of Calligraphy Learning In Mushthafawiyah Purba Baru Mandailing Natal (Madina) Boarding School”. Jurnal Recoms, vol. 1, no. 1, July 2024, pp. 30-36, doi:10.59548/rc.v1i1.139.