BARCZAK, A.; ZACHARCZUK, D. Online forms - security, validation and functionality. Studia Informatica. System and information technology, [S. l.], v. 13, n. 2, p. 21–30, 2009. Disponível em: https://czasopisma.uph.edu.pl/studiainformatica/article/view/2808. Acesso em: 2 may. 2024.