LUO, Junwei. C Language Teaching Practice Based on Modular Design and File Operations: A Case Study of Classroom Roll Call System. International Journal of Education and Social Development, [S. l.], v. 5, n. 1, p. 227–229, 2025. DOI: 10.54097/a63vzj83. Disponível em: https://ijesd.com/index.php/ijesd/article/view/298. Acesso em: 1 may. 2026.