OTTO, A.; PAUL, J.; ALLEN, K.; CROW, C. Every Day Earth Day. Undergraduate Journal of Service Learning & Community-Based Research , [S. l.], v. 3, p. 1–4, 2014. DOI: 10.56421/ujslcbr.v3i0.169. Disponível em: https://ujslcbr.org/index.php/ujslcbr/article/view/169. Acesso em: 31 jan. 2023.