MR.SHEIKH RAFIK MANIHAR. The Design and Construction of a low cost Propeller Led Display. Global Journals of Research in Engineering, [S. l.], v. 12, n. F4, p. 29–32, 2012. Disponível em: https://engineeringresearch.org/index.php/GJRE/article/view/609. Acesso em: 8 may. 2024.