VIGNESH, S.; VINITH, K.; MOULESWARAN, K.; SANJAY, H. M.; LOGESHWARAN, M. A Review On Automatic Blackboard Cleaner. International Journal of Research in Engineering, Science and Management, [S. l.], v. 4, n. 4, p. 103–106, 2021. Disponível em: https://journal.ijresm.com/index.php/ijresm/article/view/664.. Acesso em: 19 may. 2024.