Muangprathub J, Shichim O, Jaroensuk Y, Kajornkasirat S. Automatic Grading of Scanned Multiple Choice Answer Sheets. IJET [Internet]. 2018 Apr. 20 [cited 2024 Apr. 28];7(2.23):175-9. Available from: https://www.sciencepubco.com/index.php/ijet/article/view/11910