POWER GENERATION BY FOOT STEPS USING RACK AND PINION ARRANGEMENT. International Journal of Engineering Research and Advanced Technology (ijerat) (E-ISSN 2454-6135) , [S. l.], v. 2, n. 1, p. 10–14, 2016. Disponível em: https://ijerat.com/index.php/ijerat/article/view/216.. Acesso em: 26 dec. 2024.