Dr. Baidaa Abdul khaliq Atya , Dr. Ali Adel Saeid , Dr. Abdul-Wahab Sami Ibrahim , Prof. Dr. Abdul Monem S. Rahma4. “Analysis And Features Extraction Of Scanned Documents”. Design Engineering, Nov. 2021, pp. 9919 -36, http://www.thedesignengineering.com/index.php/DE/article/view/6042.