DR. AJAY KUMAR MISHRA. An Analysis Of Student Difficulties In Understanding Fundamental Arithmetic Concepts. International Journal of Advanced Research and Multidisciplinary Trends (IJARMT), [S. l.], v. 2, n. 3, p. 1192–1200, 2025. Disponível em: https://www.ijarmt.com/index.php/j/article/view/831. Acesso em: 1 apr. 2026.