WESTPHAL, Werner. Lernen und kommunikatives handeln im zeitalter des internet. Journal of Business Economics and Management, [S. l.], v. 4, n. 4, p. 209–216, 2003. DOI: 10.3846/16111699.2003.9636057. Disponível em: https://journals.vilniustech.lt/index.php/JBEM/article/view/8295. Acesso em: 18 may. 2025.