TAHK, Yelin; WOO TAHK, Young. An environmentally viable helmet design using low impact material. Open Science Journal, [S. l.], v. 7, n. 2, 2022. DOI: 10.23954/osj.v7i2.3142. Disponível em: https://www.osjournal.org/ojs/index.php/OSJ/article/view/3142. Acesso em: 12 sep. 2025.