RANGKUTI, A. H. .; ATHALIA, Z. .; THALIA, T. E. .; WIHARJA, C. E. .; RAKHMANSYAH, A. . Economical and Efficient Multiple-Choice Question Grading System using Image Processing Technique. International Journal of Intelligent Systems and Applications in Engineering, [S. l.], v. 11, n. 3, p. 193–198, 2023. Disponível em: https://ijisae.org/index.php/IJISAE/article/view/3159. Acesso em: 22 jul. 2024.