M. Al-Barhamtoshy, Hassanin, and Abdullah S. Al-Ghamdi. “A Comprehensive Framework for OCR Web Services System for Arabic Calligraphy Documents”. International Journal of Engineering & Technology, vol. 8, no. 1.11, Mar. 2019, pp. 16-24, https://doi.org/10.14419/ijet.v8i1.11.28084.