PERIASAMY, Elango; ZAMAN, Halimah Badioze. Remedial Process for Negative Numbers Subtraction Operation: A Computerized Diagnostic Assessment. International Journal on Advanced Science, Engineering and Information Technology, [S. l.], v. 2, n. 6, p. 472–476, 2012. DOI: 10.18517/ijaseit.2.6.247. Disponível em: https://ijaseit.insightsociety.org/index.php/ijaseit/article/view/247. Acesso em: 22 jul. 2024.