Ali M. Hasan, Juman Faris Abdulkareem, Hadeel K. Aljobouri,. 2021. “Chest CT Images Analysis With Deep-Learning and Handcrafted Based Algorithms for COVID-19 Diagnosis ”. Design Engineering, September, 6246-62. http://www.thedesignengineering.com/index.php/DE/article/view/4059.