NIWALKAR, P. .; DAWARE, S.; RANE, P. .; GUJARATI, P. .; LAKHANPAL, N. . Ecofriendly Solar Bicycle. Helix, [S. l.], v. 10, n. 04, p. 76-82, 2020. Disponível em: https://helixscientific.pub/index.php/home/article/view/178. Acesso em: 3 dec. 2020.