“Freeman Chain Code Contour Processing For Handwritten Isolated Arabic Characters Recognition: سلسلة فريمان لمعالجة الأحرف العربية المعزولة المكتوبة يدويا وتمييزها”, ALYJ, no. 1, pp. 90–105, Jun. 2013, Accessed: Mar. 29, 2026. [Online]. Available: https://journal.al-yarmok.edu.iq/index.php/alyarmoukjournal/article/view/783