GOLA?SKI, Ryszard Leon; KO?ODZIEJ, Jacek. Delta Modulations Training System for e-Learning. International Journal of Online and Biomedical Engineering (iJOE), [S. l.], v. 2, n. 2, 2006. DOI: 10.3991/ijoe.v2i2.323. Disponível em: https://online-journals.org/index.php/i-joe/article/view/323. Acesso em: 28 apr. 2024.