ESCOBAR, R.; LATTAL, K. A. Low-Cost Interface Using a Parallel Port and Visual Basic. Mexican Journal of Behavior Analysis, [S. l.], v. 36, n. 3, p. 7–21, 2010. DOI: 10.5514/rmac.v36.i3.21402. Disponível em: https://revistas.unam.mx/index.php/rmac/article/view/21402. Acesso em: 13 may. 2024.